[1] Univ Calif San Francisco, Dept Med, Div Geriatr, San Francisco, CA USA
[2] Univ Calif San Francisco, Dept Physiol Nursing, San Francisco, CA USA
[3] Univ Calif San Francisco, Dept Clin Pharm, San Francisco, CA 94143 USA
[4] Univ Calif San Francisco, Dept Prevent & Restorat Dent Sci, San Francisco, CA 94143 USA