Affiliation: | Palo Alto Medical Foundation Research Institute (PAMFRI), 795 El Camino Real, Ames Building, Palo Alto, CA 94301;, Palo Alto Medical Foundation Research Institute (PAMFRI), Palo Alto, CA;, Sutter Health Institute for Research and Education (SHIRE), San Francisco, CA;, University of California, San Francisco, Institute for Health and Aging, Department of Social and Behavioral Sciences School of Nursing, San Francisco, CA |