1. Eawag, Swiss Federal Institute of Aquatic Science and Technology
2. Dübendorf
3. Switzerland
4. ETH, Swiss Federal Institute of Technology
5. Zurich
6. NWSC, National Water and Sewerage Corporation
7. Bushenyi
8. Uganda
9. WHO, World Health Organization
10. Geneva
11. UNICEF
12. New York
13. USA
14. University of Basel
15. Basel