[1] Kenya Med Res Inst KEMRI, Ctr Geog Med Res Coast, POB 230, Kilifi 80108, Kenya
[2] Univ Utrecht, Utrecht Ctr Child & Adolescent Studies, Utrecht, Netherlands
[3] Univ Oxford, Dept Psychiat, Oxford, England
[4] Ohio State Univ, Nationwide Childrens Hosp, Ctr Biobehav Hlth, Dept Pediat,Res Inst, Columbus, OH 43210 USA
[5] Tilburg Univ, Dept Culture Studies, Tilburg, Netherlands
[6] Univ Oxford, Dept Expt Psychol, Oxford, England
[7] Pwani Univ, Dept Publ Hlth, Kilifi, Kenya
[8] Aga Khan Univ, Inst Human Dev, Nairobi, Kenya