1. Department of Civil and Environmental Engineering, Stanford University, 473 Via Ortega, Stanford, California 94305, United States
2. Department of Occupational and Environmental Health, School of Public Health, Guangxi Medical University, Nanning, Guangxi 530021, China
3. Department of Crop Sciences, University of Illinois at Urbana−Champaign, 1101 West Peabody Drive, Urbana, Illinois 61801, United States
4. Safe Global Water Institute, University of Illinois at Urbana−Champaign, 205 North Mathews Avenue, Urbana, Illinois 61801, United States