[1] Indiana Univ, Dept Med, Indianapolis, IN 46202 USA
[2] Univ North Carolina Chapel Hill, Dept Epidemiol, Chapel Hill, NC 27599 USA
[3] Byramjee Jeejeebhoy Govt Med Coll, Dept Pediat, Pune, India
[4] Univ Cape Town, Fac Hlth Sci, Ctr Infect Dis Epidemiol & Res, Sch Publ Hlth & Family Med, Cape Town, South Africa
[5] Univ Toulouse 3, Inst Natl Sante & Rech Med, CERPOP UMR 1295, Toulouse, France
[6] Univ Fed Sao Paulo, Escola Paulista Med, Dept Pediat, Sao Paulo, Brazil
[7] Natl Inst Allergy & Infect Dis, Prevent Sci Program PSP, NIH, Div AIDS DAIDS, Rockville, MD USA
[8] Hosp Escuela Univ, Dept Pediat, Inst Hondureno Segur Social, Tegucigalpa, Honduras
[9] Univ Houphouet Boigny, CHU Cocody, Abidjan, Cote Ivoire
[10] Lighthouse Trust, Lilongwe, Malawi
[11] TREAT Asia amfAR The Fdn AIDS Res, Bangkok, Thailand
[12] Res Dev RD Rwanda & Rwanda Mil Hosp, Kigali, Rwanda
[13] Univ Washington, Dept Med, Seattle, WA USA
[14] Univ Colorado, Dept Pediat, Aurora, CO USA