[P3–292]: DOES THE PREVALENCE OF MCI DECLINE? EVIDENCE FROM A PROSPECTIVE, POPULATION‐BASED, LONGITUDINAL STUDY WITH A FOLLOW‐UP OF 25 YEARS. (1st July 2017) - Schröder, Johannes; Toro, Pablo; Frankenberg, Claudia; Sattler, Christine; Tauber, Benjamin; Siebert, Jelena; Wahl, Hans‐Werner; Whalley, Lawrence; Pantel, Johannes; Degen, Christina