| Affiliation: | 1. Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;2. Department of Vascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;3. Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;4. Department of Obstetrics and Gynecology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China;5. Department of General Surgery, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou 570311, China |
