1. Paques BV, T. De Boerstraat 24, 8560 AB , Balk, The Netherlands (E-mail: w.abma@paques.nl)
2. Waterschap Hollandse Delta, Johan de Wittstraat 40, 3300 AL , Dordrecht, The Netherlands (E-mail: j.mulder@wshd.nl)
3. Department of Biotechnology, Delft University of Technology, Julianalaan, 67, 2628 BC, The Netherlands (E-mail: m.c.m.vanloosdrecht@tnw.tudelft.nl)
4. Department of Microbiology, Radboud University Nijmegen, Toernooiveld 1, 6525 ED , Nijmegen, The Netherlands (E-mail: m.strous@science.ru.nl)
5. Kurita Water Industries LTD. 1-1, Gochoyama, Kawada, Nogi-Machi, Shimotsuga-Gun, Tochigi, 329-0125, Japan (E-mail: takaaki.tokutomi@kurita.co.jp)