1. Water Systems and Technology, KWR Watercycle Research Institute, Nieuwegein, The Netherlands.
2. Civil & Environmental Engineering, HKUST, Clear Water Bay, Kowloon, Hong Kong.
3. Sanitary Engineering, UNESCO-IHE Institute for Water Education, Delft, The Netherlands.
4. Environmental Biotechnology, Delft University of Technology, Delft, The Netherlands.