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Affiliations

• ¹ Department of Rheumatology and Immunology, Hebei General Hospital, No. 348 Heping West Road, Shijiazhuang, 050051, Hebei, China.
• ² Department of Graduate School, Hebei Medical University, Shijiazhuang, 050051, China.
• ³ Department of Rheumatology and Immunology, Hebei General Hospital, No. 348 Heping West Road, Shijiazhuang, 050051, Hebei, China. zfx8889@163.com.