Spectrum of cognition short of dementia: Framingham Heart Study and Mayo Clinic Study of Aging

David S. Knopman, Alexa Beiser, Mary M. Machulda, Julie Fields, Rosebud O. Roberts, V. Shane Pankratz, Jeremiah Aakre, Ruth H. Cha, Walter A. Rocca, Michelle M. Mielke, Bradley F. Boeve, Sherral Devine, Robert J. Ivnik, Rhoda Au, Sanford Auerbach, Philip A. Wolf, Sudha Seshadri, Ronald C. Petersen