P3‐416: COMPARATIVE ANALYSIS OF HIPPOCAMPAL QUANTIFICATION BETWEEN A COMMERCIAL AND RESEARCH BASED VOLUMETRIC SOFTWARE. (1st July 2019) - Raji, Cyrus A.; Marple, Laura M.; Keefe, Sarah; Massoumzadeh, Parinaz; Adedokun, Adedamola; Miller-Thomas, Michelle; Benzinger, Tammie L.S.