1 Changchun Veterinary Research Institute, Chinese Academy of Agricultural Science, Changchun, Jilin, China.
2 State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
3 College of Life Sciences and Food Engineering, Inner Mongolia Minzu University, Tongliao, China.
4 Academic Affairs Office, Jilin Medical University, Jilin, Jilin, China.