1. School of Medicine, College of Medicine Chang Gung University Taoyuan Taiwan
2. Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Linkou branch Chang Gung University College of Medicine Taoyuan Taiwan
3. Department of Pathology Chang Gung Memorial Hospital, Linkou branch, and Chang Gung University Taoyuan Taiwan
4. School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan