1. Department of Anaesthesiology, Wuhan Fourth Hospital; Pu’ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, Wuhan, China
2. Department of Thoracic Surgery, The First Affiliated Hospital, Sun Yat-sen University, Yuexiu District, Guangzhou, China
3. Department of Emergency Medicine, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Haizhu District, Guangzhou, China
4. Department of Orthopaedics, The First Affiliated Hospital, Sun Yat-sen University, Yuexiu District, Guangzhou, China
5. Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Yuexiu District, Guangzhou, China
6. Department of Urinary Surgery, The First Affiliated Hospital, Sun Yat-sen University, Yuexiu District, Guangzhou, China