1. College of Allied Health Professions, University of Nebraska Medical Center, Omaha, Nebraska, USA
2. Department of Civil and Environmental Engineering, University of Nebraska – Lincoln, Lincoln, Nebraska, USA
3. Environmental Health Program, New Hampshire Department of Environmental Services, Concord, New Hampshire, USA
4. Nebraska Water Center, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
5. Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, Iowa, USA