1. Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
2. School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, Arizona, USA
3. Biodesign Institute Center for Environmental Health Engineering, Arizona State University, Tempe, Arizona, USA
4. Swiss Tropical and Public Health Institute, Allschwil, Switzerland
5. University of Basel, Basel, Switzerland