[1] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Div Gen Int Med & Hlth Serv Res, Los Angeles, CA 90095 USA
[2] VA Greater Angeles Hlth Syst, Los Angeles, CA USA
[3] Univ Calif Los Angeles, Semel Inst Neurosci & Human Behav, Ctr Social Med & Humanities, David Geffen Sch Med, Los Angeles, CA USA
[4] Univ Calif Los Angeles, Dept Anthropol, Los Angeles, CA USA
[5] Univ Calif Los Angeles, David Geffen Sch Med, Dept Family Med, Los Angeles, CA USA
[6] VA Greater Angeles Hlth Syst, Off Hlth Care Transformat & Innovat, Los Angeles, CA USA
[7] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Dept Hlth Policy & Management, Los Angeles, CA USA
[8] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA USA
[9] Univ Calif Los Angeles, David Geffen Sch Med, Dept Psychiat & Biobehav Sci, Los Angeles, CA USA
[10] Univ Calif Los Angeles, Semel Inst Neurosci & Human Behav, Ctr Hlth Serv, David Geffen Sch Med, Los Angeles, CA USA
[11] Kaiser Permanente Bernard J Tyson Sch Med, Pasadena, CA USA