1. Department of Gynecology and Oncology, Changzhou Tumor Hospital Affiliated with Soochow University, Changzhou, Jiangsu, China (mainland)
2. Department of Radiation Oncology, Changzhou Tumor Hospital Affiliated with Soochow University, Changzhou, Jiangsu, China (mainland)
3. Department of Gynecology and Oncology, Changxing County People’s Hospital, Huzhou, Zhejiang, China (mainland)
4. Department of Obstetrics and Gynecology, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou, Jiangsu, China (mainland)