[1] Univ Calif San Francisco, Memory & Aging Ctr, San Francisco, CA 94143 USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Bristol Myers Squibb Co, Bioanalyt Sci Biol, Lawrenceville, NJ USA
[4] Bristol Myers Squibb Co, CNS Discovery, Wallingford, CT 06492 USA
[5] Bristol Myers Squibb Co, Neurosci Discovery, Wallingford, CT 06492 USA