Se calcula con base en el n.º de publicaciones almacenadas en Pure y citas de Scopus
20092024

Resultados de investigaciones por año

Red

Roman A. Fernandez

  • University of Texas Health Science Center at San Antonio
  • Department of Epidemiology and Biostatistics
  • Department of Biostatistics
  • University Health System
  • Department of Population Health Sciences and
  • University of Texas

Persona externa: External person

Jason P. Fine

  • University of North Carolina at Chapel Hill
  • Department of Biostatistics
  • University of North Carolina

Persona externa: External person

Zenong Yin

  • University of Texas at San Antonio
  • Georgia Prevention Institute
  • Medical College of Georgia
  • University of Texas Health Science Center at San Antonio
  • Department of Kinesiology
  • Department of Pediatrics
  • Department of Kinesiology Health and Nutrition
  • Augusta University
  • Center for Research to Advance Community Health (ReACH)
  • Department of Kinesiology

Persona externa: External person

M. Alan Brookhart

  • University of North Carolina at Chapel Hill
  • Duke University

Persona externa: External person

Shiyu Li

  • University of Texas at San Antonio
  • University of Texas Health Science Center at San Antonio
  • Pennsylvania State University

Persona externa: External person

Jae Won Lee

  • Korea University

Persona externa: External person

M. Alan Brookhart

  • Duke University

Persona externa: External person

Belinda Flores

  • University of Texas Health Science Center at San Antonio
  • South Coastal Area Health Education Center

Persona externa: External person

Jae Won Lee

  • Department of Statistics
  • Korea University
  • Department of Statistics

Persona externa: External person

Crystal M. Glover

  • Rush University

Persona externa: External person

Jessica McLaughlin

  • University of Texas Health Science Center at San Antonio
  • Department of Obstetrics and Gynecology
  • United States Army
  • Coastal Fertility Specialists
  • University of Texas

Persona externa: External person

Seung Mo Hong

  • Johns Hopkins University
  • Department of Pathology

Persona externa: External person

Weixin Wang

  • National Institutes of Health
  • Department of Laboratory Medicine
  • National Institutes of Health, Bethesda

Persona externa: External person

J. R. Sedor

  • Case Western Reserve University
  • Harbor-University of California Los Angeles Medical Center
  • University of California at Los Angeles
  • Department of Medicine
  • Department of Biophysiology and Biophysics
  • Genetic Analysis and Data Coordinating Center
  • Department of Epidemiology and Biostatistics
  • Department of Epidemiology and Biostatistics
  • School of Medicine
  • Department of Epidemiology and Biostatistics
  • Department of Physiology and Biophysics
  • Department of Medicine
  • Departments of Medicine and Physiology and Biophysics
  • MetroHealth System Campus
  • Department of Veterans Affairs
  • MetroHealth Medical Center Cleveland
  • The Division of General Internal Medicine
  • Harbor UCLA
  • Cleveland Clinic Foundation
  • Metro Health System
  • Columbia University

Persona externa: External person

Harold I. Feldman

  • University of Pennsylvania
  • Consortium Coordinating Center
  • CKD Biomarkers Consortium
  • Patient-Centered Outcomes Research Institute
  • Patient-Centered Outcomes Research Institute

Persona externa: External person

Ian M. Humphreys

  • University of Washington

Persona externa: External person

Hyung Kyoon Choi

  • College of Pharmacy
  • Chung-Ang University

Persona externa: External person

Edgar Otto

  • University of Michigan, Ann Arbor
  • University of Minnesota Twin Cities

Persona externa: External person

Petter Bjornstad

  • The Children's Hospital, Aurora
  • University of Colorado Anschutz Medical Campus
  • University of Colorado Denver
  • University of Colorado School of Medicine
  • Children’s Hospital Colorado
  • University of Florida

Persona externa: External person

Jing Zhang

  • University of California at San Diego

Persona externa: External person

Helen C. Looker

  • Phoenix Epidemiology and Clinical Research Branch
  • National Institutes of Health
  • Kidney Disease Section
  • National Institute of Diabetes and Digestive and Kidney Diseases
  • AZ

Persona externa: External person

Rajasree Menon

  • University of Michigan, Ann Arbor
  • University of Minnesota Twin Cities

Persona externa: External person

Kemok Kim

  • Korea University

Persona externa: External person

Abigail R. Grace

  • University of Texas Health Science Center at Houston

Persona externa: External person

Chen Pin Wang

  • University of Texas Health Science Center at San Antonio
  • University of Texas at San Antonio
  • University of Texas

Persona externa: External person

G. E. Marti

  • National Institutes of Health, Bethesda
  • CPD
  • United States Food and Drug Administration
  • Hematology Service
  • National Institutes of Health

Persona externa: External person

Eric Bair

  • University of North Carolina at Chapel Hill
  • Department of Biostatistics
  • Department of Endodontics
  • University of North Carolina

Persona externa: External person

Ho Kim

  • Seoul National University

Persona externa: External person

Katherine R. Calvo

  • National Institutes of Health, Bethesda
  • National Institutes of Health
  • Department of Laboratory Medicine

Persona externa: External person

Hak Joo Lee

  • UTHSCSA
  • South Texas Veterans Health Care System
  • University of Texas Health Science Center at San Antonio
  • VA Medical Center
  • Department of Cellular and Structural Biology
  • South Texas Veterans Health Care System
  • University of Texas at San Antonio
  • Center for Precision Medicine and
  • University of Texas

Persona externa: External person

Kayla J.Torres Morales

  • University of Texas

Persona externa: External person

Ola Landgren

  • National Institutes of Health, Bethesda
  • National Institutes of Health
  • Memorial Sloan-Kettering Cancer Center
  • Bone Marrow Transplant Service

Persona externa: External person

Sarah L. Ullevig

  • University of Texas at San Antonio
  • University of Texas Health Science Center San Antonio
  • University of Texas Health Science Center at San Antonio
  • Department of Kinesiology
  • Department of Kinesiology
  • Departments of Biochemistry
  • Department of Kinesiology
  • Department of Kinesiology Health and Nutrition
  • University of Texas

Persona externa: External person

Zhan Wang

  • University of Texas

Persona externa: External person

Maria Zamudio-Samano

  • Alamo Colleges District-North Vista College

Persona externa: External person

Dongho Lee

  • Korea University
  • Department of Life Science and Biotechnology

Persona externa: External person

Norma S. Ketchum

  • Air Force Research Laboratory
  • University of Texas Health Science Center
  • University of Texas at Austin
  • Building 1168
  • The University of Texas Health Science Center at San Antonio
  • Brooks Air Force Base
  • Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio
  • University of Texas at San Antonio
  • Brooks City Base
  • USAF School of Aerospace Medicine
  • University of Texas Health Science Center at San Antonio
  • Air Force Research Laboratory
  • UT Health San Antonio
  • Department of Epidemiology and Biostatistics
  • Department of Epidemiology and Biostatistics
  • UT Health San Antonio
  • Department of Epidemiology and Biostatistics
  • Infectious Diseases
  • Armstrong Laboratory
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • Department of Epidemiology and Biostatistics
  • Department of Epidemiology and Biostatistics/Medicine
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health San Antonio
  • UT Health Science Center
  • United States Army
  • UT Health San Antonio Cancer Center
  • University of Texas Health Science Center
  • Air Force Research Laboratory
  • United States Air Force Academy
  • University of Texas

Persona externa: External person

Hong Wen Deng

  • Creighton University
  • Hunan Normal University
  • Osteoporosis Research Center
  • Department of Biomedical Sciences
  • Laboratory of Molecular and Statistical Genetics
  • University of Missouri at Kansas City
  • Department of Biostatistics and Bioinformatics
  • Department of Basic Medical Sciences
  • Tulane University
  • Molecular and Statistical Genetics Lab
  • Xi'an Jiaotong University
  • School of Life Science and Technology
  • Key Laboratory of Protein Chemistry
  • Osteoporosis Research Center
  • Key Lab. of Biomed. Info. Engineering of Ministry of Education and Institute of Molecular Genetics
  • Department of Biomedical Sciences

Persona externa: External person

Toby N. Weingarten

  • Mayo Clinic Rochester, MN

Persona externa: External person

Emily Berenson

  • TX
  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Patrick B. Bolton

  • Mayo Clinic Scottsdale, AZ

Persona externa: External person

Yuan Yuan Li

  • University of North Carolina at Chapel Hill
  • University of North Carolina

Persona externa: External person

Youn K. Shim

  • Centers for Disease Control and Prevention

Persona externa: External person

Mujeeb Basit

  • University of Texas Southwestern Medical Center
  • University of Washington

Persona externa: External person

Joon Yong Chung

  • Tissue Array Research Program
  • National Institutes of Health

Persona externa: External person

Varun S. Sharma

  • Austrian Academy of Sciences

Persona externa: External person

Dae Sik Jang

  • Kyung Hee University

Persona externa: External person

Norma A. Balli-Borrero

  • University of Texas Health Science Center at San Antonio
  • University of Texas

Persona externa: External person

Janice Bell

  • University of California at Davis

Persona externa: External person

Luxcia Kugathasan

  • University of Toronto
  • University Health Network

Persona externa: External person

Jack Tsai

  • Indiana University Purdue University Indianapolis
  • Indiana University-Purdue University Indianapolis
  • Department of Psychology
  • Department of Psychology
  • Department of Psychology
  • VA National Center on Homelessness Among Veterans
  • University of Texas Health Science Center at Houston
  • Yale University
  • Vet. Affairs New England Healthcare
  • Department of Veterans Affairs

Persona externa: External person

Richa Priya Jha

  • University of Texas Health Science Center at San Antonio
  • Department of Epidemiology and Biostatistics
  • Department of Urology

Persona externa: External person

Michael J. Marino

  • Department of Otorhinolaryngology
  • Mayo Clinic Scottsdale, AZ

Persona externa: External person

Hui Shen

  • Tulane University
  • Hunan Normal University
  • Creighton University

Persona externa: External person

David Z.I. Cherney

  • University Health Network
  • University of Toronto

Persona externa: External person

Natalie E. Poullard

  • University of Texas Health Science Center at San Antonio
  • Greehey Children's Cancer Research Institute
  • Division of Hematology and Oncology
  • UT Health San Antonio Cancer Center
  • TX

Persona externa: External person

Bennett E. Ahearn

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Max Feng

  • University of Texas Health Science Center at San Antonio
  • University of Texas

Persona externa: External person

Phillip Yang

  • University of Texas Health Science Center at San Antonio
  • University of Texas

Persona externa: External person

Shawn Gessay

  • WI
  • TX
  • Prevention Genetics
  • University of Texas Health Science Center at San Antonio
  • UT Health San Antonio Cancer Center

Persona externa: External person

Sabrina Dhillon

  • Virginia Commonwealth University

Persona externa: External person

Vaishnavi Kannan

  • Houston Methodist

Persona externa: External person

Connor S. Breinholt

  • University of Texas Health Science Center at San Antonio
  • School of Medicine
  • University of Texas

Persona externa: External person

Sandi L. Pruitt

  • University of Texas Southwestern Medical Center

Persona externa: External person

Vanessa Estrada Coats

  • University of Texas at San Antonio

Persona externa: External person

Lindsey A. Mette

  • University of Texas Health Science Center at San Antonio
  • Greehey Children's Cancer Research Institute
  • Division of Hematology and Oncology
  • TX
  • Invitae
  • UT Health San Antonio Cancer Center
  • Invitae Corporation

Persona externa: External person

Brittany Dennis

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Robert G. Nelson

  • National Institutes of Health
  • University of California at Los Angeles
  • Case Western Reserve University
  • Genetic Analysis and Data Coordinating Center
  • Phoenix Epidemiology and Clinical Research Branch
  • Department of Epidemiology and Biostatistics
  • National Institutes of Health, Bethesda
  • Laboratory of Genomic Diversity
  • Kidney Disease Section
  • National Institutes of Health
  • Statistical and Data Management Center
  • National Institute of Diabetes and Digestive and Kidney Diseases
  • University of Richmond

Persona externa: External person

Yolanda Crous

  • University of Texas Health Science Center at San Antonio
  • University of Texas

Persona externa: External person

Leila Hejazi

  • University of Texas Health Science Center at San Antonio
  • Center for Precision Medicine and

Persona externa: External person

Chengdong Li

  • University of Texas Health Science Center at San Antonio
  • University of Texas Health Science Center at Houston
  • University of Texas at San Antonio
  • Florida State University

Persona externa: External person

Jong Hyeon Jeong

  • University of Pittsburgh
  • Department of Biostatistics

Persona externa: External person

Daria Neidre

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Li Wu

  • Tulane University

Persona externa: External person

Seon Woo Cha

  • Department of Herbal Crop Research
  • Rural Development Administration

Persona externa: External person

Stephen M. Hewitt

  • Tissue Array Research Program
  • TARP Lab.
  • Advanced Technology Center
  • National Institutes of Health
  • Tissue Array Research Program

Persona externa: External person

Qing Tian

  • Tulane University

Persona externa: External person

Vikas S. Sridhar

  • Division of Nephrology
  • Banting and Best Diabetes Centre
  • Toronto General Hospital
  • University of Toronto
  • Toronto General Research Institute - University Health Network
  • University Health Network

Persona externa: External person

Robert F. Vogt

  • Centers for Disease Control and Prevention

Persona externa: External person

Un Yeong Go

  • Korea National Institute of Health

Persona externa: External person

HyungJun Cho

  • University of Virginia
  • Public Health Sciences Administration
  • Department of Statistics
  • Korea University

Persona externa: External person

Sushrut S. Waikar

  • Boston University
  • Harvard University
  • CKD Biomarkers Consortium
  • Brigham and Women’s Hospital

Persona externa: External person

Rachel Wyatt

  • TX
  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Lan Juan Zhao

  • Tulane University
  • Creighton University

Persona externa: External person

Hiddo J.L. Heerspink

  • University of Groningen
  • Department of Clinical Pharmacy and Pharmacology
  • Department of Clinical Pharmacology
  • The George Institute for Global Health

Persona externa: External person

Linda Highfield

  • University of Texas Health Science Center at Houston
  • University of Texas Southwestern Medical Center

Persona externa: External person

Stephanie Soewito

  • University of the Incarnate Word

Persona externa: External person

Qianqian Liu

  • University of Texas Health Science Center at San Antonio
  • Department of Epidemiology and Biostatistics
  • UTHSA Cancer Center
  • South Texas Veterans Health Care System
  • University of Texas

Persona externa: External person

Elise Alvarez

  • TX
  • UT Health San Antonio Cancer Center

Persona externa: External person

Zhe Luo

  • Tulane University

Persona externa: External person

Donghyuk Lee

  • Department of Statistics
  • Korea University

Persona externa: External person

Kyungmi Lee

  • Case Western Reserve University

Persona externa: External person

E. Munoz

  • University of Texas Health Science Center San Antonio
  • University of Texas Health Science Center at San Antonio
  • Institute for Health Promotion Research
  • School of Medicine
  • Department of Epidemiology and Biostatistics
  • Institute for Health Promotion Research
  • Department of Epidemiology and Biostatistics
  • UT Health San Antonio Cancer Center

Persona externa: External person

Layla M. Saleh

  • National Institutes of Health
  • Mansoura University
  • Department of Laboratory Medicine
  • National Institutes of Health, Bethesda

Persona externa: External person

Sutthinee Thorngthip

  • Case Western Reserve University

Persona externa: External person

Clarissa Aviles

  • University of Texas Health Science Center at San Antonio
  • UT Health San Antonio Cancer Center

Persona externa: External person

Elmer V. Bernstam

  • University of Texas Health Science Center at Houston

Persona externa: External person

Lu Qi

  • Harvard University
  • Tulane University
  • Department of Nutrition
  • Department of Epidemiology
  • Department of Medicine
  • Department of Epidemiology
  • Channing Division of Network Medicine
  • Department of Epidemiology
  • Department of Medicine
  • Department of Medicine
  • Department of Medicine
  • Brigham and Women’s Hospital

Persona externa: External person

Elena Marin

  • University of Texas Health Science Center at San Antonio
  • UT Health San Antonio Cancer Center

Persona externa: External person

R. Iyengar

  • City University of New York
  • Mount Sinai
  • Mount Sinai
  • Icahn School of Medicine at Mount Sinai
  • Mount Sinai Institute for Systems Biomedicine

Persona externa: External person

Qi Zhao

  • University of Tennessee Health Science Center

Persona externa: External person

William M. Land

  • University of Texas at San Antonio

Persona externa: External person

Anthony Franzone

  • Center for Precision Medicine and

Persona externa: External person

Theodore Alexandrov

  • Skaggs School of Pharmacy and Pharmaceutical Sciences
  • European Molecular Biology Laboratory
  • European Molecular Biology Laboratory (EMBL)
  • University of California at San Diego

Persona externa: External person

Loki Natarajan

  • University of California at San Diego
  • Division of Preventive Medicine
  • Division of Urologic Oncology
  • Division of Biostatistics and Bioinformatics
  • Center for Renal Translational Medicine
  • Department of Family and Preventive Medicine
  • Family and Preventive Medicine
  • Herbert Wertheim School of Public Health and Human Longevity Science

Persona externa: External person

Katherine R. Tuttle

  • Southwest Foundation for Biomedical Research
  • University of Washington
  • Univ. Texas Hlth. Sci. Ctr. S. A.
  • University of Naples Federico II
  • University of Texas at San Antonio
  • Southwest Foundation for Biomedical Research
  • Sacred Heart Medical Center
  • University of Texas Health Science Center at San Antonio
  • Department of Genetics
  • Department of Medicine
  • Department of Medicine
  • Division of Nephrology
  • Division of Medical Oncology
  • University of Washington
  • Providence Medical Research Center
  • Providence Sacred Heart Medical Center
  • Providence Health Care
  • University of Texas
  • Providence Health

Persona externa: External person

Ann Margaret Trujillo

  • University of Texas at San Antonio

Persona externa: External person

Nahyun Kim

  • Korea University
  • Department of Life Science and Biotechnology

Persona externa: External person

I. H. de Boer

  • University of Washington
  • Department of Medicine
  • Kidney Research Institute
  • University of Washington
  • University of Washington
  • Puget Sound VA Health Care System
  • VA Puget Sound Health Care System
  • CHS

Persona externa: External person

Kristin Shelby

  • University of Texas Southwestern Medical Center
  • University of Texas Southwestern Medical Center
  • Simmons Comprehensive Cancer Center
  • University of Texas Health Science Center at San Antonio
  • UT Health San Antonio Cancer Center

Persona externa: External person

Patricia Burant

  • Case Western Reserve University

Persona externa: External person

H. Wang

  • Shandong University
  • University of Texas Health Science Center at San Antonio
  • Department of Urology
  • School of Clinical Medicine
  • Greehey Children's Cancer Research Institute
  • Department of Cell and Molecular Biology
  • Department of Epidemiology and Biostatistics
  • University of Texas at San Antonio
  • Lanzhou University
  • University of Connecticut
  • University of Texas

Persona externa: External person

Kenneth Hepburn

  • Research Nell Hodgson Woodruff School of Nursing
  • Emory University

Persona externa: External person

Patricia I. Moreno

  • Northwestern University
  • Department of Medical Social Sciences
  • University of Miami

Persona externa: External person

Jian Jun Liu

  • Khoo Teck Puat Hospital

Persona externa: External person

Brandi L. Scott

  • University of Texas at San Antonio

Persona externa: External person

Kyong Hwan Bang

  • Department of Herbal Crop Research
  • Rural Development Administration

Persona externa: External person

Brian Kwan

  • University of California at San Diego
  • California State University Long Beach

Persona externa: External person

Jessh Mondesir Mavoungou Moussavou

  • University of Texas at San Antonio

Persona externa: External person

Su Chi Lim

  • Khoo Teck Puat Hospital
  • National University of Singapore
  • Lee Kong Chian School of Medicine

Persona externa: External person

Matthias Kretzler

  • University of Pittsburgh
  • University of Michigan, Ann Arbor

Persona externa: External person

Tianou Zhang

  • University of Texas at San Antonio

Persona externa: External person

Jeffrey Hodgin

  • University of Michigan, Ann Arbor
  • University of North Carolina at Chapel Hill
  • University of Minnesota Twin Cities

Persona externa: External person

Arely Perez

  • Institute for Health Promotion Research
  • School of Medicine
  • University of Texas Health Science Center at San Antonio
  • Institute for Health Promotion Research
  • Department of Epidemiology and Biostatistics
  • UT Health San Antonio Cancer Center

Persona externa: External person

Yoo Soo Shin

  • Department of Herbal Crop Research
  • Rural Development Administration

Persona externa: External person

Chuan Qiu

  • Tulane University

Persona externa: External person

Jonathan Himmelfarb

  • University of Washington

Persona externa: External person

Kylie Meyer

  • University of Texas Health Science Center at San Antonio
  • School of Nursing
  • Case Western Reserve University

Persona externa: External person

Emily Barber

  • National Institutes of Health
  • Department of Laboratory Medicine
  • National Institutes of Health, Bethesda

Persona externa: External person

Heidi Spratt

  • University of Texas Medical Branch at Galveston
  • Preventive Medicine and Community Health

Persona externa: External person

Taylor Fish

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Roman Fernadez

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Eunsil Yu

  • Department of Pathology
  • University of Ulsan

Persona externa: External person

Bryan Kestenbaum

  • University of Washington
  • Department of Medicine
  • Kidney Research Institute
  • Division of Nephrology
  • Kidney Research Institute

Persona externa: External person

Anna María Pulido Saldívar

  • University of Texas Health Science Center at San Antonio
  • Greehey Children's Cancer Research Institute
  • TX
  • UT Health San Antonio Cancer Center

Persona externa: External person

Matthew Liu

  • University of Texas at Austin
  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Juana Escareño

  • University of Texas Health Science Center at San Antonio
  • Lower Rio Grande Valley Area Health Education Center

Persona externa: External person

Frank J. Penedo

  • University of Miami
  • Northwestern University
  • Sylvester Comprehensive Cancer Center
  • Department of Psychology
  • Department of Medical Social Sciences
  • Department of Medical and Social Sciences
  • Department of Psychology
  • Department of Medicine
  • Florida International University
  • College of Arts and Sciences

Persona externa: External person

Jennifer A. Schaub

  • University of Michigan, Ann Arbor
  • University of Minnesota Twin Cities

Persona externa: External person

Christopher R. Anderton

  • Environmental Molecular Sciences Laboratory
  • Center for Renal Precision Medicine
  • University of Texas Health Science Center at San Antonio
  • Pacific Northwest National Laboratory
  • Pacific Northwest National Laboratory
  • Center for Precision Medicine and
  • Princeton University

Persona externa: External person

Jens Hansen

  • Icahn School of Medicine at Mount Sinai
  • Mount Sinai

Persona externa: External person

Najma S. Mehter

  • University of Washington

Persona externa: External person

Patrick A. Williams

  • University of Texas Health Science Center at San Antonio

Persona externa: External person

Fabio C. Tucci

  • Epigen Biosciences Inc.

Persona externa: External person

Kuan Jui Su

  • Tulane University

Persona externa: External person

Arthur E. Hernandez

  • Univ. of Texas at San Antonio
  • Texas A and M University at Corpus Christi
  • Texas AandM University at Corpus Christi
  • University of Texas at San Antonio
  • Texas A and M University Corpus Christi
  • Texas A&M University
  • Texas AandM University-Corpus Christi
  • University of Texas Health Science Center at San Antonio
  • Dept. of Education
  • College of Education
  • College of Education
  • Coll. of Educ. and Human Development
  • Department of Counseling and Educational Psychology
  • Texas A&M University-Corpus Christi
  • University of the Incarnate Word

Persona externa: External person

Rene Costello

  • National Institutes of Health

Persona externa: External person

Garret Choby

  • Mayo Clinic Rochester, MN

Persona externa: External person

Tobias Fuhrer

  • Swiss Federal Institute of Technology Zurich
  • Institute of Molecular Systems Biology

Persona externa: External person