[1] Muhimbili Univ Hlth & Allied Sci MUHAS, Sch Med, Dept Psychiat & Mental Hlth, Dar Es Salaam, Tanzania
[2] Univ Minnesota, Sch Publ Hlth, Dept Epidemiol & Community Hlth, Minneapolis, MN 55455 USA
[3] Univ Minnesota, Dept Family Med, Program Human Sexual, Minneapolis, MN 55455 USA
[4] Muhimbili Univ Hlth & Allied Sci, Sch Nursing, Dept Community Hlth Nursing, Dar Es Salaam, Tanzania
[5] Johns Hopkins Univ, Sch Med, Dept Adolescent & Young Adult Med, Baltimore, MD 21218 USA
[6] Lincoln Univ, Dept Counseling & Hlth Serv, Philadelphia, PA USA