O2‐10‐01: BRAIN BETA‐AMYLOID, VASCULAR FACTORS, AND COGNITION: 54‐MONTH FOLLOWUP RESULTS FROM THE AIPL STUDY. (1st July 2014) - Yates, Paul; Villemagne, Victor L.; Bourgeat, Pierrick; Ellis, Kathryn A.; Salvado, Olivier; Martins, Ralph; Szoeke, Cassandra; Desmond, Patricia; Masters, Colin Louis; Ames, David; Rowe, Christopher Cleon