1. Senior Department of Oncology, The Fifth Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, China
2. Department of Medical Molecular Biology, Institute of Biotechnology, Academy of Military Medical Sciences, Beijing, China
3. Department of Public Administration, China Pharmaceutical University, Jiangning Campus, Nanjing, China
4. Breast Cancer Center, Affiliated Hospital of Qingdao University, Qingdao, China
5. Department of Breast Disease, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
6. Department of Breast Surgery, General Surgery Center, First Hospital of Jilin University, Changchun, China
7. Department of Breast Surgery, Peking University First Hospital, Beijing, China
8. Breast Cancer Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
9. for the Chinese Society of Clinical Oncology Breast Cancer Committee Database Collaborative Group