[1] Univ Calif Los Angeles, Luskin Sch Publ Affairs, Dept Social Welf, Los Angeles, CA USA
[2] San Diego State Univ, Dept Psychol, San Diego, CA 92182 USA
[3] Univ Michigan, Sch Nursing, Dept Syst Populat & Leadership, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Ctr Sexual & Hlth Dispar, Ann Arbor, MI USA
[5] Boston Univ, Dept Community Hlth Sci, Boston, MA USA
[6] Boston Univ, Dept Psychiat, Boston, MA USA
[7] Med Coll Wisconsin, Ctr AIDS Intervent Res, Dept Psychiat & Behav Med, 2071 N Summit Ave, Milwaukee, WI 53202 USA