1. Institute of Biochemistry and Biotechnology, Chung Shan Medical University, No. 110, Section 1, Chien-kauo N. Road, Taichung, Taiwan
2. Department of Anatomy, China Medical University, No. 91, Hsueh-Shih Road, Taichung 404, Taiwan
3. Department of Internal Medicine, Chung-Shan Medical University Hospital, No. 110, Section 1, Chien-kauo N. Road, Taichung, Taiwan
4. Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan