1. Department of Medicine, College of Medicine, National Taiwan University, Taipei
2. Department of Health Care Organization and Policy, University of Alabama at Birmingham School of Public Health, AL, USA
3. Department of Laboratory Medicine, National Taiwan University Hospital Yunlin Branch, Douliu
4. Department of Emergency Medicine, National Taiwan University Hospital, Taipei
5. Department of Medicine, Washington University School of Medicine, Saint Louis, MO, USA
6. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
7. Department of Emergency Medicine, Kaohsiung Veterans General Hospital, Kaohsiung