1. Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600
Duebendorf, Switzerland
2. School of Architecture, Civil
and Environmental Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne,
Switzerland
3. Hunziker Betatech AG, CH-8411 Winterthur, Switzerland