[1] Univ Chicago, Dept Med, Pritzker Sch Med, 5841 S Maryland Ave, Chicago, IL 60637 USA
[2] Columbia Univ, Sch Nursing, New York, NY USA
[3] Columbia Univ, Mailman Sch Publ Hlth, Dept Populat & Family Hlth, New York, NY USA
[4] Northwestern Univ, Dept Pediat, Feinberg Sch Med, Chicago, IL 60611 USA
[5] Ann & Robert H Lurie Childrens Hosp Chicago, Potocsnak Family Div Adolescent & Young Adult Med, Chicago, IL 60611 USA
[6] Univ Washington, Sch Social Work, Seattle, WA 98195 USA
[7] Birmingham AIDS Outreach, Dept Educ, Birmingham, AL USA
[8] Univ Alabama Birmingham, Sch Social Work, Birmingham, AL USA
[9] Callen Lorde Community Hlth Ctr, Dept Med, New York, NY USA
[10] SUNY Downstate Hlth Sci Univ, Dept Med, Brooklyn, NY USA
[11] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Med Pediat Sect, Los Angeles, CA 90024 USA