1. College of Life Science and Engineering, Northwest Minzu University, Lanzhou, People’s Republic of China
2. Key Laboratory of Zoonosis Research by Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, People’s Republic of China
3. Medical College of Yan’an University, Yan’an, People’s Republic of China
4. Biomedical Research Center, Northwest Minzu University, Lanzhou, People’s Republic of China