1. Experimental Animal Center for Teaching, Hainan Medical University, Haikou, Hainan, PR China
2. Department of Pathology, Danzhou People’s Hospital, Danzhou, Hainan, PR China
3. Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, Hainan, PR China
4. Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University, Haikou, Hainan, PR China
5. Department of Pathogenic Biology, Hainan Medical University, Haikou, Hainan, PR China
6. Laboratory of Pathogenic Biology and Immunology, Hainan Medical University, Haikou, Hainan, PR China