Affiliation: | 1. Division of Rheumatology, Buddhist Tzu-Chi General Hospital, Hualien, Taipei, Taiwan, R.O.C.;2. Department of Pathology, Duke University School of Medicine, Durham, North Carolina, USA;3. Division of Allergy, Immunology and Rheumatology, Department of Medicine, Taipei Veterans General Hospital and National Yang-Ming University School of Medicine, Taipei, Taiwan, R.O.C. |