1. Office of Clinical Epidemiology, Obstetrics and Gynecology Hospital of Fudan University
2. Laboratory for Reproductive Immunology, Hospital & Institute of Obstetrics and Gynecology, Fudan University Shanghai Medical College
3. The Academy of Integrative Medicine of Fudan University
4. Shanghai Key Laboratory of Female Reproductive Endocrine-related Diseases
5. Department of Obstetrics and Gynecology, Wenling People's Hospital, Wenzhou Medical University