[1] Univ Georgia, Coll Publ Hlth, Dept Epidemiol & Biostat, Athens, GA 30602 USA
[2] Univ Minnesota, Ctr Learning Hlth Syst Sci, Med Sch, Minneapolis, MN USA
[3] Univ Minnesota, Sch Publ Hlth, Div Epidemiol & Community Hlth, Minneapolis, MN USA
[4] Univ Pittsburgh, Sch Med, Dept Psychiat, Pittsburgh, PA USA
[5] Univ Colorado Anschutz Med Campus, Dept Family Med & Adult, Aurora, CO USA
[6] Univ Colorado Anschutz Med Campus, Child Ctr Outcomes Res & Delivery Sci, Aurora, CO USA