1. Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Centre for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin 300060, P.R. China
2. Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200031, P.R. China
3. The 3rd Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
4. Department of General Surgery, Diagnosis and Therapy Centre of Thyroid and Breast, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
5. Department of Pathology, Laboratory Medicine Centre, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310003, P.R. China
6. The Department of Breast Surgery Ward 2, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China