1. Institute of Child Health and Human Development, National Institutes of Health, University of the Philippines, Manila
2. Delivering Oral Vaccine Effectively, Department of International Health, Johns Hopkins University, Baltimore, Maryland
3. Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland
4. Epicentre, Paris, France
5. National Institute of Cholera and Enteric Diseases, Beliaghata, Kolkata, West Bengal, India
6. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand