1. Eawag: Swiss Federal Institute of Aquatic Science and Technology, Department of Sanitation, Water and Solid Waste for Development (Sandec), Überlandstrasse 133, Dübendorf 8600, Switzerland
2. School of Civil Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K.
3. Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos 6627 - Campus Pampulha, Belo Horizonte 31270-901, Brazil
4. Graduate School of Asian and African Area Studies, Kyoto University, Yoshida-shimoadachi-cho 46, Sakyo, Kyoto 606-8501, Japan
5. Department of Civil and Environmental Engineering, Kyambogo University, Kyambogo Road, Kampala, P.O. Box 1, Kyambogo, Uganda
6. Institute of Environmental Science and Engineering (IESE), Hanoi University of Civil Engineering (HUCE), 55 Giai Phong Road, Hanoi 113068, Vietnam