1 Department of Rheumatology and Immunology, First People's Hospital of Lianyungang, No. 6 Zhenhuadong Road, Lianyungang, 222002, Jiangsu, China.
2 Department of Rheumatology and Immunology, First People's Hospital of Lianyungang, No. 6 Zhenhuadong Road, Lianyungang, 222002, Jiangsu, China. shaoping197910@163.com.