1. Department of Gynecologic Oncology; Women's Hospital; School of Medicine; Zhejiang University; Hangzhou China
2. Key Laboratory of Women's Reproductive Health of Zhejiang Province; Hangzhou China
3. Department of Pathology; Women's Hospital; School of Medicine; Zhejiang University; Hangzhou China
4. Cancer Biology Research Center (Key laboratory of the ministry of education); Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan Hubei China
5. Department of Gynecology; Women & Children Healthcare Hospital of Quzhou City; Quzhou Zhejiang China
6. Longyou County Maternal and Child Health-Care Center; Quzhou Zhejiang China