About the Authors

Tae Ik Chang

Affiliation Department of Internal Medicine, NHIS Medical Center, Ilsan Hospital, Goyangshi, Gyeonggi–do, Republic of Korea

Hyung Jung Oh

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea

Ea Wha Kang

Affiliation Department of Internal Medicine, NHIS Medical Center, Ilsan Hospital, Goyangshi, Gyeonggi–do, Republic of Korea

Tae-Hyun Yoo

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea

Sug Kyun Shin

Affiliation Department of Internal Medicine, NHIS Medical Center, Ilsan Hospital, Goyangshi, Gyeonggi–do, Republic of Korea

Shin-Wook Kang

Affiliations Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea, Brain Korea 21 for Medical Science, Severance Biomedical Science Institute, Yonsei University, Seoul, Republic of Korea

Kyu Hun Choi

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea

Dae Suk Han

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea

Seung Hyeok Han

hansh@yuhs.ac

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TIC SHH. Performed the experiments: TIC HJO EWK. Analyzed the data: TIC SHH. Contributed reagents/materials/analysis tools: THY SKS SWK KHC DSH. Wrote the manuscript: TIC.