1. Department of Autoimmune Disease, Shanghai Institute of Immunology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai, China,
2. Department of Bone Surgery, Institute of Arthritis Research, Shanghai Academy of Chinese Medical Sciences, Shanghai, China,
3. Department of Laboratory Medicine, Affiliated Tongren Hospital of Shanghai Jiao Tong University School of Medicine, Shanghai, China,
4. Department of Rheumatoloy, Affiliated Ruijin Hospital of Shanghai Jiao Tong University School of Medicine, Shanghai, China, and
5. Department of Laboratory Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China