1. First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China
2. R Haihua and W Xiaobing are co-first authors.
3. Department of Plastic Surgery, First Hospital of Shanxi Medical University, China
4. Department of Plastic Surgery, Shanxi Da Yi Hospital, Taiyuan, Shanxi Province, China
5. Department of Pathology, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China