1. Agricultural Ecology Institute Fujian Academy of Agricultural Sciences Fujian Engineering and Technology Research Center for Hilly Prataculture Fuzhou P.R. China
2. State Key Laboratory of Pathogen and Biosecurity Beijing Institute of Microbiology and Epidemiology Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Diseases Beijing P.R. China
3. The Institute of Molecular Medicine Peking University Beijing P.R. China
4. Institute of Biophysics School of Sciences Hebei University of Technology Tianjin P.R. China