1. Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
2. Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
3. Clinical Research Center, Big Data Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
4. School of Medical Information and Engineering, Xuzhou Medical University, Xuzhou, Jiangsu, China
5. Department of Radiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
6. Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, Gansu, China