1. Foundation for Innovative New Diagnostics, Geneva, Switzerland
2. Universidad Peruana Cayetano Heredia, Lima, Peru
3. International Centre for Diarrheal Diseases Research, Dhaka, Bangladesh
4. Mbeya Medical Research Programme, Mbeya, Tanzania
5. Department of Infectious Diseases and Tropical Medicine, University of Munich, Munich, Germany
6. Eiken Chemical Co. Ltd., Tokyo, Japan