The study is being conducted in five different locations across the country, with the exact same procedures at each site. Efforts will be made to schedule participants at locations closest to their home. Travel expenses will be covered by the study team.

Arizona
Mayo Clinic - Scottsdale (Site PI: Erika Driver-Dunckley, M.D.)

• PET scans at Banner Alzheimer’s Institute - Phoenix (Principal Investigator: Eric Reiman, M.D.)

Boston
Boston University CTE Center - Boston (Principal Investigator & Site PI: Michael Alosco, Ph.D., Principal Investigator: Robert Stern, Ph.D.)

Florida
UF Fixel Institute - Gainesville, FL (Site PI: Breton Asken, Ph.D.)

San Antonio
The Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases - UT Health San Antonio (Site PI: Jeremy Tanner, M.D.)

San Francisco
UCSF Memory & Aging Center - San Francisco (Principal Investigator & Site PI: Gil Rabinovici, M.D.)