About the Authors

Shin Ahn

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Won Young Kim

wonpia73@naver.com

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Kyung Soo Lim

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Seung Mok Ryoo

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Chang Hwan Sohn

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Dong Woo Seo

Affiliation Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Myoung Kwan Kwak

Affiliation Department of Emergency Medicine, Seoul Medical Center, Seoul, Korea

Jae Chol Yoon

Affiliation Department of Emergency Medicine, Chonbuk National University Hospital, Jeonju, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WYK SA. Performed the experiments: WYK. Analyzed the data: SA WYK. Contributed reagents/materials/analysis tools: SMR CHS DWS JCY KSL MKK. Contributed to the writing of the manuscript: SA.