1. Graduate Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
2. Graduate Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
3. Department of Medical Research, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
4. Department of Biomedical Sciences, Chung Shan Medical University, Taichung 40201, Taiwan