1. Department of Obstetrics and Gynecology Peking Union Medical College Hospital Beijing China
2. National Clinical Research Center for Obstetric and Gynecologic Diseases Beijing China
3. State Key Laboratory for Complex, Severe and Rare Diseases Peking Union Medical College Hospital Beijing China
4. Department of Pathology Peking Union Medical College Hospital Beijing China
5. Berry Oncology Corporation Beijing China
6. Fujian Key Laboratory of Advanced Technology for Cancer Screening and Early Diagnosis Beijing China