1Department of Preventive Medicine, Ewha Womans University School of Medicine, Seoul, Korea
2Department of Health Management, Hyupsung University, Hwaseong, Korea
3Department of Emergency Medicine, Hallym University College of Medicine and Dongtan Sacred Heart Hospital, Hwaseong, Korea
4Department of Emergency Medicine, Myoungji Hospital, Goyang, Korea
5Department of Paramedic Science, Korea National University of Transportation, Chungju, Korea
6Clinical Trial Center, Ewha Womans University Mokdong Hospital, Seoul, Korea
Copyright © 2018 The Korean Society for Preventive Medicine
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