1. aUniversity of Maryland School of Medicine, Baltimore, Maryland
2. bRTI International, Research Triangle Park, North Carolina
3. cCaribbean Institute for Health Research, The University of the West Indies, Kingston, Jamaica
4. dYale University, New Haven, Connecticut
5. eInter-American Development Bank, Washington, District of Columbia
6. fInternational Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
7. gUniversity of California, Berkeley, Berkeley, California
8. hInstitute of Child Health, University College London, London, England