1. Department of Chemical Engineering, National Chung Hsing University, Taichung 402, Taiwan
2. Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
3. Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
4. Immunology Research Center, Chung Shan Medical University, Taichung 402, Taiwan
5. Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 402, Taiwan
6. Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 300, Taiwan