1. Department of Rheumatology, the First Hospital of Jilin University, Changchun, Jilin, China.
2. Division of Clinical Research, The First Hospital of Jilin University, Changchun, Jilin, China.
3. Department of Rheumatology, the First Hospital of Jilin University, Changchun, Jilin, China. jiangzhenyu2012@163.com
4. Department of Rheumatology, the First Hospital of Jilin University, Changchun, Jilin, China. zhaoling52@163.com