About the Authors

Seong-Joon Koh

Affiliation Department of Internal Medicine, Division of Gastroenterology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Younjeong Choi

Affiliation Department of Internal Medicine, Division of Gastroenterology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Byeong Gwan Kim

Affiliation Department of Internal Medicine, Division of Gastroenterology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Kook Lae Lee

Affiliation Department of Internal Medicine, Division of Gastroenterology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Dae Woo Kim

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Jung Ho Kim

Affiliation Department of Pathology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Ji Won Kim

jooskim@snu.ac.kr (JSK); kjwjor@snu.ac.kr (JWK)

Affiliation Department of Internal Medicine, Division of Gastroenterology, Seoul National University Boramae Hospital, Seoul National University College of Medicine, Seoul, Korea

Joo Sung Kim

jooskim@snu.ac.kr (JSK); kjwjor@snu.ac.kr (JWK)

Affiliation Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: S-JK YJC JWK JSK. Performed the experiments: S-JK YJC DWK JHK. Analyzed the data: S-JK BGK KLL. Contributed reagents/materials/analysis tools: S-JK YJC. Wrote the paper: S-JK JWK JSK.