[1] Johns Hopkins Univ, Sch Med, Ctr Aging & Hlth, Div Geriatr Med & Gerontol, Baltimore, MD USA
[2] Univ Calif San Francisco, Div Geriatr, San Francisco, CA 94143 USA
[3] San Francisco VA Med Ctr, Vet Affairs Qual Scholars Fellowship Program, San Francisco, CA USA
[4] Univ Calif Los Angeles, Los Angeles, CA USA
[5] Jewish Home Borun Ctr, Los Angeles, CA USA
[6] Vet Affairs Geriatr Res, Los Angeles, CA USA
[7] Johns Hopkins Univ, Sch Med, Div Geriatr Med & Gerontol, Baltimore, MD USA
[8] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA
[9] Johns Hopkins Univ, Sch Nursing, Dept Community & Publ Hlth, Baltimore, MD USA