[1] Beth Israel Deaconess Med Ctr, Div Gen Med, Boston, MA 02215 USA
[2] Beth Israel Deaconess Med Ctr, Richard A & Susan F Smith Ctr Outcomes Res Cardio, Boston, MA 02215 USA
[3] Stanford Univ, Dept Epidemiol & Populat Hlth, Stanford, CA 94305 USA
[4] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA USA
[5] Beth Israel Deaconess Med Ctr, Div Cardiol, Boston, MA 02215 USA
[6] Zuckerberg San Francisco Gen Hosp, UCSF Ctr Vulnerable Populat, San Francisco, CA USA
[7] Columbia Univ, Div Gen Med, New York, NY USA
[8] Zuckerberg San Francisco Gen Hosp, Div Gen Internal Med, San Francisco, CA USA