F4‐03‐03: VALIDATION OF NOVEL COMPOSITE OUTCOME MEASURES FOR PRE‐DEMENTIA ALZHEIMER'S DISEASE. (1st July 2014) - Raghavan, Nandini; Wessels, Alette M.; Shera, David M.; Liu, Enchi; Novak, Gerald; Wang, Jinping; Ropacki, Michael T.; Yu, Peng; Castelluccio, Peter; Verbeke, Tobias; Logovinsky, Veronika; Zhao, Xin