1. Department of Civil and Environmental Engineering, Stanford University, 473 Via Ortega, Stanford, California 94305, United States
2. National Science Foundation Engineering Re-Inventing the Nation’s Urban Water Infrastructure (ReNUWIt), Stanford, California 94305United States
3. Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, PR China
4. Institute of Environmental & Ecological Engineering, Guangdong University of Technology, Guangzhou 510006, China