1. Abengoa, Campus Palmas Altas; C/ Energía Solar 1 41014 Seville Spain
2. Wetsus, European Centre of Excellence for Sustainable Water Technology; Oostergoweg 9 8911 MA Leeuwarden The Netherlands
3. DeSaH B.V.; Pieter Zeemanstraat 6 8606 JR Sneek The Netherlands
4. Sub-Department of Environmental Technology; Wageningen University; Bornse Weilanden 9, P.O. Box 17 6700 AA Wageningen The Netherlands