1. National Research Center for Wildlife Borne Diseases; Institute of Zoology; Chinese Academy of Sciences; Beijing China
2. College of Life Science; Hebei Normal University; Shijiazhuang China
3. College of Life Sciences; University of the Chinese Academy of Sciences; Beijing China
4. CAS Key Laboratory of Pathogenic Microbiology and Immunology; Institute of Microbiology; Chinese Academy of Sciences; Beijing China
5. Department of Microbiology; Beijing General Station of Animal Husbandry; Beijing China