[1] Univ Washington, Dept Epidemiol, 325 Ninth Ave,Box 359909, Seattle, WA 98104 USA
[2] UCLA, Dept Social Welf, Luskin Sch Publ Affairs, Los Angeles, CA USA
[3] Univ Washington, Dept Global Hlth, 325 Ninth Ave,Box 359909, Seattle, WA 98104 USA
[4] Natl AIDS Control Council, Nairobi, Kenya
[5] KEMRI Wellcome Trust Res Programme, Kilifi, Kenya
[6] Univ Amsterdam, Global Hlth Dept, Amsterdam, Netherlands
[7] Univ Oxford, Headington, England
[8] Univ Washington, Dept Psychol, Seattle, WA USA
[9] Univ Washington, Dept Gender Women & Sexual Studies, Seattle, WA USA
[10] Univ Washington, Dept Med, 325 Ninth Ave,Box 359909, Seattle, WA 98104 USA