1. GeoHealth and Hydrology Laboratory, Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida;
2. Maryland Pathogen Research Institute, University of Maryland, College Park, Maryland;
3. University of Maryland Institute for Advanced Computer Studies, University of Maryland, College Park, Maryland;
4. Department of Civil and Environmental Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois;
5. Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida;
6. Department of Pathobiology, University of Illinois at Urbana–Champaign, Urbana, Illinois;
7. Department of Chemical, Environmental and Materials Engineering, University of Miami, Florida;
8. Department of Microbiology, University of Illinois at Urbana-Champaign, Urbana, Illinois