Affiliation: | 1. Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan;2. Department of Rheumatology and Immunology, Affiliated Minda Hospital of Hubei Institute for Nationalities, Enshi, Hubei;3. Department of Rheumatology and Immunology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China;4. School of Public Health, Southwest Medical University, Luzhou, Sichuan, China |