1. School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong 261053, P.R. China
2. Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, Shandong 250000, P.R. China
3. The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, School of Clinical Medicine, Shandong First Medical University, Jinan, Shandong 250117, P.R. China
4. Department of Rheumatology and Autoimmunology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Medicine and Health Key Laboratory of Rheumatism, Jinan, Shandong 250000, P.R. China