1. Department of Clinical Medicine, Guizhou Medical University, Guiyang, China
2. Department of Breast Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
3. Information Department of Guizhou Provincial People’s Hospital, Guiyang, China
4. Department of Breast Surgery, Guiyang Maternal and Child Health Care Hospital, Guiyang, China
5. The Maternal and Child Health Care Hospital of Guizhou Medical University, Guiyang, China