1 Division of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan ; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan ; Institute of Integrative Medicine, China Medical University, Taichung, Taiwan.
2 Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdo, China.
3 Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan.
4 Department of Rheumatology, EULAR Centre of Excellence, VU University Medical Centre, Room 3A-64, P.O. Box 7057, 1007 MB Amsterdam, Netherlands.