1. Department of Medical Oncology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
2. Department of Gynaecology and Obstetrics, Zhongshan People's Hospital, Zhongshan, Guangdong 528403, P.R. China
3. Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
4. Department of Medical Oncology, Jinling Clinical College of Nanjing Medical University, Nanjing, Jiangsu 210002, P.R. China
5. Department of Breast Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu 212002, P.R. China