About the Authors

Ki-Chul Sung

kcmd.sung@samsung.com

Affiliation Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Jin-Ho Choi

Affiliation Division of Cardiology, Cardiac and Vascular Center, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Hyeon-Cheol Gwon

Affiliation Division of Cardiology, Cardiac and Vascular Center, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Seung-Hyuk Choi

Affiliation Division of Cardiology, Cardiac and Vascular Center, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Bum-Soo Kim

Affiliation Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

Hyon Joo Kwag

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

Sun H. Kim

Affiliation Division of Endocrinology, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: KCS HJK BSK. Analyzed the data: SHK. Contributed reagents/materials/analysis tools: JHC HCG SHC. Wrote the paper: KCS SHK.