1Department of Emergency Medicine, Myongji Hospital, Goyang, Korea
2Department of Emergency Medicine, Sooncheonhyang University Bucheon Hospital, Bucheon, Korea
3Department of Emergency Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
4Center for Disaster Relief Training and Research, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
5Department of Emergency Medicine, Dongguk University Gyeongju Hospital, Gyeongju, Korea
6Department of Emergency Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea
7Department of Emergency Medicine, Chungnam National University Hospital, Daejeon, Korea
8National Emergency Medical Center, National Medical Center, Seoul, Korea
9Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
10Department of Emergency Medicine, Pusan National University Hospital, Pusan, Korea JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/