P2–083: Florbetapir scanning excludes Alzheimer's disease in a retired NFL player with delayed cognitive impairment. (1st July 2013) - Mitsis, Effie; Riggio, Silvana; D'Antonio, Emily; Goldstein, Martin; DeKosky, Steven; Naidich, Thomas; Delman, Bradley; Machac, Josef; Elder, Gregory; Sano, Mary; Gandy, Sam; Gordon, Wayne