1. Institute of Biochemistry; Microbiology and Immunology; Chung Shan Medical University; Taichung, Taiwan
2. Clinical Laboratory; Chung Shan Medical University Hospital; Taichung, Taiwan
3. Department of Neurology and Department of Medical Intensive Care Unit; Changhua Christian Hospital; Changhua, Taiwan
4. Department of Biochemistry; School of Medicine; China Medical University; Taichung, Taiwan
5. Department of Internal Medicine; Chung Shan Medical University Hospital and School of Medicine; Chung Shan Medical University; Taichung, Taiwan
6. Department of Biochemistry; School of Medicine; Chung Shan Medical University; Taichung, Taiwan