1. Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
2. Department of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
3. College of Medicine, National Taiwan University, Taipei, Taiwan
4. Department of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu, Taiwan
5. Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu, Taiwan
6. Division of Cardiology, Department of Internal Medicine, National Taiwan University College of Medicine and Hospital, Taipei, Taiwan