1. Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China
2. Department of Breast Disease, Henan Breast Cancer Center, Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, Henan 450008, China
3. Department of Thyroid, Breast and Vascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
4. Surgical Oncology Department, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110022, China
5. Department of Breast Surgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
6. Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 052360, China
7. Fourth Department of Breast Surgery, Jilin Cancer Hospital, Changchun, Jilin 130012, China
8. Department of Breast Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, China
9. Department of Breast Surgery, Affiliated Wudang Hospital of Guizhou Medical University, Guiyang, Guizhou 550009, China
10. Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
11. Department of Breast Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250033, China
12. Breast Disease Center, Peking University First Hospital, Beijing 100034, China
13. Department of Breast Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
14. Department of General Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing 100852, China
15. Department of Breast Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
16. Department of Breast Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116023, China
17. Department of Breast and Thyroid Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, China
18. Department of Thyroid, Breast, Hernia Surgery, The Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia Autonomous Region 010017, China
19. Department of Breast Surgery, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200433, China
20. Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, China
21. Department of Breast Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110002, China.