1. Delft University of Technology, PO Box 5048, 2600 GA Delft, The Netherlands
2. Royal Haskoning DHV B.V., PO Box 1132, 3800 BC Amersfoort, The Netherlands
3. KWR Watercycle Research Institute, PO Box 1072, 4330 BB Nieuwegein, The Netherlands
4. WML N.V., PO Box 1060, 6201 BB Maastricht, The Netherlands
5. Brabant Water N.V., PO Box 1068, 5200 BC 's-Hertogenbosch, The Netherlands
6. Vitens N.V., PO Box 1090, 8200 BB Lelystad, The Netherlands