[1] Ctr Dev Vaccins Mali CVD Mali, Ctr Natl Appui Lutte Malad CNAM, Ex Inst Marchoux, Bamako, Mali
[2] CISM, Manhica, Mozambique
[3] NICED, Kolkata, India
[4] Int Ctr Diarrheal Dis Res ICDDR B, Mirzapur, Bangladesh
[5] Aga Khan Univ, Dept Paediat & Child Hlth, Karachi, Pakistan
[6] Cooperat Studies Program Coordinating Ctr, Dept Vet Affairs, Perry Point, MD USA
[7] Univ Liverpool, Liverpool Sch Trop Med, Child & Reprod Hlth Grp, Liverpool L3 5QA, Merseyside, England