1. Institute of Water Sciences, College of Engineering, Peking University, Beijing, China.
2. Swiss Federal Institute of Aquatic Science and Technology, Zurich, Switzerland.
3. Department of Environmental Sciences, University of Basel, Basel, Switzerland.
4. Stockholm Environment Institute, Stockholm, Sweden.
5. State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China.
6. Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China.