About the Authors

Hajeong Lee

Affiliation Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea

Jeonghwan Lee

Affiliation Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea

Seung-sik Hwang

Affiliation Department of Social and Preventive Medicine, Inha University School of Medicine, Incheon, Korea

Sejoong Kim

Affiliation Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea

Ho Jun Chin

Affiliation Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea

Jin Suk Han

Affiliation Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea

Nam Ju Heo

julie082007@naver.com

Affiliation Department of Internal Medicine, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HL JSH. Performed the experiments: HL SK HJC. Analyzed the data: HL JL SH. Contributed reagents/materials/analysis tools: SH NJH. Wrote the paper: HL SH NJH.