[1] Univ Calif San Francisco, Dept Med, Div Hosp Med, San Francisco, CA 94143 USA
[2] Healthcare Risk Advisors, Dept Data Analyt, New York, NY USA
[3] UCSF, Zuckerberg San Francisco Gen Hosp, Div Gen Internal Med, San Francisco, CA 94143 USA
[4] UCSF, Zuckerberg San Francisco Gen Hosp, Ctr Vulnerable Populat, San Francisco, CA 94143 USA
[5] UCSF, Ctr Clin Informat & Improvement Res, San Francisco, CA USA
[6] Doctors Co, Dept Patient Safety & Risk Management, Napa, CA USA