1. Key
Laboratory of Animal Ecology and Conservation Biology, Institute of
Zoology, Chinese Academy of Sciences, Beijing 100101, P. R. China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Man-Technology-Environment
Research Centre (MTM), School of Science and Technology, Örebro University, SE-70182 Örebro, Sweden
4. Key
Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic
Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China