1. Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Ji’nan, Shandong, China
2. Department of Pathology, Qilu Hospital of Shandong University, Ji’nan, Shandong, China
3. Pathology Tissue Bank, Qilu Hospital of Shandong University, Ji’nan, Shandong, China
4. Research Institute of Breast Cancer, Shandong University, Ji’nan, Shandong, China