[1] Univ Manitoba, Dept Community Hlth Sci, Ctr Global Publ Hlth, Winnipeg, MB, Canada
[2] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[3] Int Ctr Reprod Hlth Kenya, Mombasa, Kenya
[4] Ctr Dis Control & Prevent, Div STD Prevent, Atlanta, GA USA
[5] Natl AIDS & STI Control Programme, Nairobi, Kenya
[6] Univ Manitoba, Nairobi, Kenya
[7] Karnataka Hlth Promot Trust, Bangalore, Karnataka, India
[8] Imperial Coll London, Dept Infect Dis Epidemiol, Sch Publ Hlth, London, England
[9] Ukrainian Inst Social Res, Kiev, Ukraine