1 Department of Fisheries and Wildlife, Michigan State University East Lansing, MI 48824, USA. kiuliani@msu.edu.
2 Enteric Viruses Research Group, Institute of Primate Research, P.O Box 24481, 00502 Karen, Nairobi, Kenya. kiuliani@msu.edu.
3 Environmental Systems Analysis Group, Wageningen University, P.O. Box 47, 6700 AA, Wageningen, The Netherlands. nynke.hofstra@wur.nl.
4 Environmental Systems Analysis Group, Wageningen University, P.O. Box 47, 6700 AA, Wageningen, The Netherlands. lucie.vermeulen@wur.nl.
5 Department of Fisheries and Wildlife, Michigan State University East Lansing, MI 48824, USA. maureenobara@yahoo.com.
6 Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O. Box 5048, 2600 GA, Delft, The Netherlands. gertjan.medema@kwrwater.nl.
7 KWR Watercycle Research Institute, Groningenhaven 7, 3433 PE, Nieuwegein, The Netherlands. gertjan.medema@kwrwater.nl.
8 Department of Fisheries and Wildlife, Michigan State University East Lansing, MI 48824, USA. rosejo@msu.edu.