1. College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, People’s Republic of China
2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Science, Urumqi, Xinjiang 830011, People’s Republic of China
3. Institute of Environmental Sciences (CML), Leiden University, 2300 RA Leiden, Netherlands
4. National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Post Office Box 1, 3720 BA Bilthoven, Netherlands