About the Authors

Jong Chul Won

Contributed equally to this work with: Jong Chul Won, Cheol-Young Park

Affiliation Department of Internal Medicine, Cardiovascular and Metabolic Disease Center, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea

Cheol-Young Park

Contributed equally to this work with: Jong Chul Won, Cheol-Young Park

Affiliation Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea

Sang Woo Oh

Affiliation Department of Family Medicine, Dongguk University Ilsan Hospital, Ilsan, Korea

Eon Sook Lee

Affiliation Department of Family Medicine, Center for Health Promotion, Ilsan Paik Hospital, Inje University College of Medicine, Ilsan, Korea

Byung-Soo Youn

mskim@amc.seoul.kr (M-SK); byung4jc@gmail.com (B-SY)

Affiliation Department of Anatomy, School of Medicine, Wonkang University, Iksan, Jeonbuk, Korea

Min-Seon Kim

mskim@amc.seoul.kr (M-SK); byung4jc@gmail.com (B-SY)

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JCW CYP MSK. Performed the experiments: CYP SWO ESL BSY. Analyzed the data: JCW MSK. Contributed reagents/materials/analysis tools: SWO ESL BSY. Contributed to the writing of the manuscript: JCW MSK.