1. Department of Rheumatology & Immunology; Medical School of Nanjing University; Nanjing China
2. Division of Rheumatology; the First Affiliated Hospital; Xinxiang Medical University; Weihui China
3. Division of Endocrinology; the First Affiliated Hospital; Xinxiang Medical University; Weihui China
4. Division of Rheumatology; the Third Affiliated Hospital; Xinxiang Medical University; Xinxiang China