1. a Soller Environmental, LLC, 3022 King St, Berkeley, CA 94703, USA
2. b Waterborne Disease Prevention Branch, Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. c Stanford University Department of Civil and Environmental Engineering, Stanford, California, USA
4. d Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor 48109, Michigan, USA
5. e Hampton Roads Sanitation District, 1434 Air Rail Avenue, Virginia Beach, VA 23455, USA
6. f National Institute of Water & Atmospheric Research Ltd (NIWA), Hillcrest, Hamilton, New Zealand