1. Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan 350, Taiwan
2. Department of Pathology and Laboratory Medicine, Taichung Veterans General Hospital, Taichung 407, Taiwan
3. Department of Internal Medicine, National Taiwan University Hospital, Taipei 100, Taiwan
4. Institute of Molecular Medicine, National Tsing Hua University, Hsinchu 300, Taiwan
5. Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan
6. Graduate Institute of Basic Medical Science, China Medical University, Taichung 404, Taiwan