[1] Training & Res Support Ctr, Harare, Zimbabwe
[2] Univ Aberdeen, Inst Appl Hlth Sci, Sch Med Med Sci & Nurit, Aberdeen, Scotland
[3] Hanoi Univ Publ Hlth, Fac Social & Behav Sci, Dept Populat & Reprod Hlth, Hanoi, Vietnam
[4] Norwegian Psychol Assoc, Oslo, Norway
[5] Osimbo Lichuma Advocates, Nairobi, Kenya
[6] London Sch Hyg & Trop Med, Dept Infect Dis Epidemiol, London, England
[7] Trinity Coll Dublin, Sch Psychol, Dublin, Ireland
[8] Univ Peruana Cayetano Heredia, Fac Salud Publ & Adm, Lima, Peru