[1] Univ Calif San Francisco, Multiethn Hlth Equ Res Ctr, San Francisco, CA 94143 USA
[2] Univ Calif San Francisco, Dept Med, Div Gen Internal Med, San Francisco, CA USA
[3] Univ Calif San Francisco, Ctr Tobacco Control Res & Educ, San Francisco, CA 94143 USA
[4] Univ Calif San Francisco, Div Gen Internal Med, Zuckerberg San Francisco Gen Hosp, San Francisco, CA 94143 USA
[5] Univ Calif San Francisco, Dept Med, Trauma Ctr, San Francisco, CA USA
[6] Natl Inst Minor Hlth & Hlth Dispar, Off Director, NIH, 6707 Democracy Blvd, Bethesda, MD 20892 USA
[7] NHLBI, Div Intramural Res, NIH, Bldg 10, Bethesda, MD 20892 USA