1. Analytical & Testing Center, Sichuan University, Chengdu 610064, Sichuan, China
2. Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
3. Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China