• World Health Organization (WHO) Geneva, Switzerland.   View
• Menengitis Vaccine Project (MVP), France. (Joint Venture of WHO and PATH-Program for apropriate technology in health)
• The Bill and Melinda Gates Institute for Population and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore USA   View
• The Hospital for Sick Children, University of Toronto , Canada
• INDEPTH Network: International Network of Field Sites with Continuous Demographic Evaluation of Populations and their Health in Developing Countries, Accra , Ghana   View
• London School of Hygiene and Tropical Medicine,London, UK   View
• Imperial College, London, UK.   View
• PATH   View
• Vanderbilt University   View
• Helen Keller International   View
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