1. Department of Rheumatology and Immunology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
2. Department of Urology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
3. Department of Rheumatology and Immunology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China. shengyun@medmail.com.cn
4. Department of Rheumatology and Immunology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China. tfli@zzu.edu.cn