1. Department of Emergency Medicine, Chungnam National University Hospital, Jung-gu, Daejeon, Republic of Korea
2. Department of Emergency Medicine, College of Medicine, Chungnam National University, Jung-gu, Daejeon, Republic of Korea
3. Department of Emergency Medicine, Chungnam National University Sejong Hospital, Sejong, Republic of Korea
4. Department of Plastic Surgery, Chungnam National University Sejong Hospital, Sejong, Republic of Korea
5. Department of Plastic Surgery, College of Medicine, Chungnam National University, Jung-gu, Daejeon, Republic of Korea
6. Department of Emergency Medicine, College of Medicine, Chonnam National University, Dong-gu, Gwangju, Republic of Korea
7. Department of Emergency Medicine, Chonnam National University Hospital, Dong-gu, Gwangju, Republic of Korea
8. Department of Obstetrics & Gynecology, Chungnam National University Sejong Hospital, Sejong, Republic of Korea
9. Department of Obstetrics & Gynecology, College of Medicine, Chungnam National University, Jung-gu, Daejeon, Republic of Korea.