1. Department of Plastic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
2. Department of Neurosurgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, China
3. Department of Neurosurgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
4. Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, China