1. Department of Trauma Surgery, Fushan District People’s Hospital, Yantai, China
2. Pain Department, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital Qingdao, China
3. Anesthesia Operating Room, Hiser Medical Center of Qingdao, Qingdao Hiser Hospital Affiliated to Qingdao University, Qingdao, China
4. Department of Hand and Foot Surgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, Shandong, China