1. College of Environment, Zhejiang University of Technology, Hangzhou 310032, P.R. China
2. Institute of Environmental Sciences (CML), Leiden University, 2300 RA Leiden, The Netherlands
3. National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, P.O. Box 1, 3720BA Bilthoven, The Netherlands
4. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, P.R. China
5. Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, P.R. China
6. State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, P.R. China