1. Department of Obstetrics and Gynecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China;
2. Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Schleswig-Holstein, Lübeck, Germany;
3. State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China;
4. Reproductive & Genetic Hospital of Citic-Xiangya, Changsha, China;
5. Reproductive Medicine Research Center, Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China;
6. Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China;
7. Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China;
8. Abbott Laboratories GmbH, Hannover, Germany;
9. Abbott GmbH & Co. KG, Wiesbaden, Germany;
10. Abbott Products Operations AG, Allschwil, Switzerland;
11. Division of Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden;
12. Center for Reproductive Medicine, University Hospital of the Brussels Free University, Brussels, Belgium;
13. Center for Reproductive Medicine, Shandong University, Jinan, China