1. Jilin Provincial Key Laboratory of Animal Embryo Engineering The Center for Animal Embryo Engineering of Jilin Province, College of Animal Science and Veterinary Medicine, Jilin University Changchun Jilin
2. College of Veterinary Medicine, Northwest A & F University Yangling Shaanxi
3. Heping Campus Hospital Jilin University Changchun Jilin
4. Hebei University of Engineering Handan Hebei
5. Department of Genetics Inner Mongolia Medical College Hohhot Inner Mongolia China