1. Center for Reproductive Medicine Cheeloo College of Medicine Shandong University Jinan China
2. Advanced Medical Research Institute Shandong University Jinan China
3. National Research Center for Assisted Reproductive Technology and Reproductive Genetics Shandong University Jinan China
4. Key Laboratory of Reproductive Endocrinology of Ministry of Education Jinan China
5. Shandong Provincial Clinical Research Center for Reproductive Health Jinan China
6. College of Life Sciences Institute of Reproductive Sciences Qingdao Agricultural University Qingdao China
7. Shandong Provincial Key Laboratory of Animal Resistance Biology College of Life Sciences Shandong Normal University Jinan China