Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277, Jiefang Avenue, Wuhan, China. Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277, Jiefang Avenue, Wuhan, China.Department of Rheumatology, Tangdu Hospital, The Fourth Military Medical University, 1, Xinsi Avenue, Xi'an, China. Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277, Jiefang Avenue, Wuhan, China.