1. Institute for Health, Health Care Policy, and Aging Research (Walkup, Hermida, Crystal) and Graduate School of Applied and Professional Psychology (Walkup), Rutgers University, New Brunswick, New Jersey; Department of Epidemiology and Biostatistics (Thomas, Vittinghoff, Mangurian), Department of Psychiatry and Behavioral Sciences (Thomas, Dahiya, Dilley, Bazazi, Mangurian), and Center for AIDS Prevention Studies (Arnold), University of California San Francisco School of Medicine, San Francisco;...