1. KWR Watercycle Research Institute, Postbus 1071 3430 BB Nieuwegein, The Netherlands
2. Wetsus – Centre of Excellence for Sustainable Water Technology, Leeuwarden, The Netherlands
3. TU Delft – Faculty of Civil Engineering & Geosciences, Delft, The Netherlands
4. Dunea – Duin en Water, Zoetermeer, The Netherlands