[1] Stanford Univ, Stanford Ctr Populat Hlth Sci, Stanford Sch Med, Palo Alto, CA 94305 USA
[2] Redivis Inc, Oakland, CA USA
[3] Stanford Univ, Stanford Sch Med, Psychiat & Behav Sci, Stanford, CA USA
[4] Vet Adm Palo Alto Hlth Care Syst, Sierra Pacific Mental Illness Res Educ & Clin Ctr, Palo Alto, CA USA
[5] Stanford Univ, Stanford Sch Med, Dept Epidemiol & Populat Hlth, Stanford, CA 94305 USA
[6] Stanford Univ, Stanford Sch Med, Dept Med, Div Primary Care & Populat Hlth, Stanford, CA 94305 USA
[7] Stanford Univ, Stanford Sch Med, Dept Pediat, Stanford, CA 94305 USA
[8] Stanford Univ, Stanford Sch Med, Dept Hlth Policy, Stanford, CA 94305 USA
[9] Stanford Univ, Dept Sociol, Stanford, CA 94305 USA