1. Institute of Medicine, Chung Shan Medical University, Taichung City, Taiwan, R.O.C
2. Clinical Laboratory, Chung Shan Medical University Hospital, Taichung City, Taiwan, R.O.C
3. Immunology Research Center, Chung Shan Medical University, Taichung city, Taiwan, R.O.C
4. Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung City, Taiwan, R.O.C
5. Division of Rheumatology Immunology Clinic, Department of Internal Medicine, Kaohsiung Armed Forces General Hospital, Kaohsiung City, Taiwan, R.O.C
6. Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung City, Taiwan, R.O.C