1. UNICEF/UNDP/World Bank/World Health Organization Special Programme for Research and Training in Tropical Diseases, Geneva, Switzerland
2. Institute of Tropical Medicine, Antwerp, Belgium
3. Rajendra Memorial Research Institute of Medical Science, Patna, India
4. Department of Medical Microbiology and Parasitology, University of Khartoum, Sudan
5. Laboratório de Soroepidemiologia e Imunobiologia, Instituto de Medicina Tropical de São Paulo, Brazil
6. International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
7. Kenya Medical Research Institute, Nairobi
8. Institute Endemic Diseases, University of Khartoum, Sudan
9. Centro de Pesquisas René Rachou-FIOCRUZ, Belo Horizonte, Brazil
10. B. P. Koirala Institute of Health Sciences, Dharan, Nepal
11. Banaras Hindu University, Varanasi, India
12. Royal Tropical Institute/Koninklijk Instituut voor de Tropen, Amsterdam, Netherlands
13. London School of Hygiene and Tropical Medicine, London, United Kingdom