1. Department of Emergency Medicine, Samsung Changwon Hospital Sungkyunkwan University School of Medicine Changwon South Korea
2. Department of Emergency Medicine, Chonnam National University Hospital Chonnam National University Medical School Gwangju South Korea
3. Department of Emergency Medicine Hanil General Hospital Seoul South Korea
4. Department of Emergency Medicine, Seoul St. Mary's Hospital The Catholic University of Korea College of Medicine Seoul South Korea
5. Department of Emergency Medicine Yonsei University Wonju College of Medicine Wonju South Korea