1. Department of Radiotherapy and Oncology, The Second Affiliated Hospital of Soochow University, Institute of Radiotherapy and Oncology, Soochow University, Suzhou 215004, Jiangsu Province, China
2. Department of Radiotherapy and Oncology, Kunshan First People’s Hospital Affiliated to Jiangsu University, Kunshan 215300, Jiangsu Province, China
3. Department of Gynecology, Kunshan First People’s Hospital Affiliated to Jiangsu University, Kunshan 215300, Jiangsu Province, China