1. Department of Orthopaedics, The Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
2. Department of Anesthesiology, The First Affiliated Hospital of Xiamen University, Xiamen 361003, Fujian, China
3. Department of Gastroenterology, The Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China