Europe
- Mediterranean Agronomic Institute of Bari, ITALY
- IWGA-SIG (Institute for Water Provision, Water Ecology and Waste Management - Dpt for Sanitary Engineering and Water Pollution Control, AUSTRIA
- Belagua, BELGIUM
- EUREAU (European Union of National Associations of Water Suppliers and Waste Water Services), BELGIUM
- Institute for Hydrology, Water Management and Environmental Engineering of University of Bochum, GERMANY
