[1] Harbor UCLA Med Ctr, Dept Pediat, Torrance, CA 90509 USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, Jane & Terry Semel Inst Neurosci & Human Behav, Ctr Hlth Serv & Soc, Los Angeles, CA USA
[4] Univ Calif Los Angeles, Jane & Terry Semel Inst Neurosci & Human Behav, Div Populat Behav Hlth, Los Angeles, CA USA
[5] Univ Calif Los Angeles, Dept Psychiat & Biobehav Sci, Los Angeles, CA 90024 USA
[6] Univ Calif Los Angeles, Dept Biostat, Los Angeles, CA USA
[7] Univ Calif Los Angeles, Fielding Sch Publ Hlth, Los Angeles, CA USA
[8] Los Angeles Unified Sch Dist, Dept Sch Mental Hlth, Los Angeles, CA USA
[9] VA Greater Los Angeles Healthcare Syst, VA Hlth Serv Res & Dev HSR&D Ctr Study Healthcare, Los Angeles, CA USA