1. Research Fellow, Hydroinformatics, International Institute for Infrastructural, Hydraulic and Environmental Engineering, P.O. Box 3015, 2601 DA Delft, The Netherlands.
2. Senior Lecturer in Hydroinformatics, International Institute for Infrastructural, Hydraulic and Environmental Engineering, P.O. Box 3015, 2601 DA Delft, The Netherlands and HydroLogic BV, P.O. Box 2177, 3800 CD Amersfoort, The Netherlands.
3. Associate Professor in Hydroinformatics, International Institute for Infrastructural, Hydraulic and Environmental Engineering, P.O. Box 3015, 2601 DA Delft, The Netherlands.