1. Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
2. Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, China
3. Key Laboratory of Animal Resistant Biology of Shandong, Ruminant Disease Research Center, College of Life Sciences, Shandong Normal University, Jinan, China