The Cardiovascular Health Study: design and rationale - Fried, LP; Borhani, NO; Enright, P; Furberg, CD; Gardin, JM; Kronmal, RA; Kuller, LH; Manolio, TA; Mittelmark, MB; Newman, A; O’Leary, DH; Psaty, B; Rautaharju, P; Tracy, RP; Weiler, PG; CHS Research Group. (Ann Epidemiol, 1991)