1. Department of Orthopedics, Nanjing Drum Tower Hospital. The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, China
2. Wound Care Center, Outpatient Department, Jinling Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210002, China
3. Department of Pathology, Jinling Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210002, China