1. Department of Rheumatology, Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
2. Department of Public Health, Chung Shan Medical University
3. Department of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital
4. Institute of Medicine, Chung Shan Medical University
5. Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan