1. Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taipei, Taiwan;
2. Department of Emergency Medicine, School of Medicine, Tzu Chi University, Taipei, Taiwan;
3. Department of Emergency Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan;
4. Department of Emergency and Critical Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan;
5. Division of Cardiology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan;
6. Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan;
7. College of Medicine, China Medical University, Taichung, Taiwan;
8. Department of Health Services Administration, China Medical University, Taichung, Taiwan;
9. Faculty of Public Health, Mahidol University, Bangkok, Thailand;
10. Graduate Institute of Clinical Medical Science and School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan;
11. Department of Radiation Oncology, China Medical University Hospital, Taichung, Taiwan