1. Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan
2. Department of Leisure Industry and Health Promotion, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
3. Graduate Institute of Educational Information and Measurement, National Taichung University of Education, Taichung, Taiwan
4. School of Public Health, Taipei Medical University, Taipei, Taiwan
5. Taipei Hospital, Ministry of Health and Welfare, New Taipei City, Taiwan
6. Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan
7. School of Health Care Administration, Taipei Medical University, Taipei, Taiwan
8. Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, CA, USA