1. National Engineering Technology Research Center for Combined Vaccines, Wuhan, China
2. Gansu Tech Innovation Center of Animal Cell, Biomedical Research Center, Northwest Minzu University, Lanzhou, China
3. Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Biomedical Research Center, Northwest Minzu University, Lanzhou, China
4. Lanzhou Bailing Biotechnology Co. LTD, Lanzhou, China
5. Wuhan Institute of Biological Products Co, Ltd, Wuhan, China
6. China National Biotech Group Company Limited, Beijing, China