1. Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
2. Laboratory
of Environmental Chemistry, School of Architecture, Civil, and Environmental Engineering (ENAC), École Polytechnique Fédérale de Lausanne (EPFL), CH 1015 Lausanne, Switzerland
3. Department of Civil & Environmental Engineering, University of California, Davis, California 95616, United States
4. Department
of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
5. University of Basel, Basel, Switzerland