1. Department of Environmental Engineering Sciences, GeoHealth and Hydrology Laboratory, University of Florida, Gainesville, Florida, USA
2. Department of Earth Sciences, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, Indiana, USA
3. Department of Civil and Environmental Engineering, University of Wisconsin—Madison, Madison, Wisconsin, USA
4. Environmental Genomics and Systems Biology, Lawrence Berkeley National Laboratory, Berkeley, California, USA
5. Institute for Advanced Computer Studies, University of Maryland, College Park, Maryland, USA
6. Helen Nguyen, Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
7. Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA