1. Laboratory
of Molecular Toxicology, State Key Laboratory of Integrated Management
of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, P. R. China
2. School
of Public Health, University of South China, Hengyang 421001, P. R. China
3. Department
of Veterinary Medicine and Animal Science, Beijing Agriculture College, Beijing 102206, P. R. China