1. College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
2. Guangxi Yangxiang co., LTD, Guigang City, Guangxi, People’s Republic of China
3. The Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, Scotland, United Kingdom
4. College of Animals Husbandry and Veterinary Medicine, Tibet Agricultural and Animal Husbandry University, Linzhi, Tibet, People’s Republic China