1. Department of Spine Surgery, Jining First People’s Hospital, Jining, Shandong, China (mainland)
2. Department of Emergency, Guangxi Medical College, Nanning, Guangxi, China (mainland)
3. Department of Laboratory Medicine, Jining First People’s Hospital, Jining, Shandong, China (mainland)
4. School of Clinical Medicine, Jining Medical University, Jining, Shandong, China (mainland)