1. Department of Clinical Laboratory; The People's Hospital of Guangxi Autonomous Region; Nanning China
2. Department of Spine Surgery; Xiangya Spinal Surgery Center; Xiangya Hospital; Central South University; Changsha China
3. Department of Neurology; The First Hospital of Changsha; Changsha China
4. Department of Clinical Laboratory; The Second Affiliated Hospital; Fujian Medical University; Quanzhou China
5. Department of Clinical Laboratory; Xiangya Hospital; Central South University; Changsha China