About the Authors

Kyunghwan Oh

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

Eun Hye Oh

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

Seunghee Baek

Affiliation Department of Clinical Epidemiology and Biostatistics, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Eun Mi Song

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

Gwang-Un Kim

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

Myeongsook Seo

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

Sung Wook Hwang

Affiliations Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Sang Hyoung Park

Affiliations Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Dong-Hoon Yang

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

Kyung-Jo Kim

Affiliations Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Jeong-Sik Byeon

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

Seung-Jae Myung

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

Suk-Kyun Yang

Affiliations Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Byong Duk Ye

bdye@amc.seoul.kr

Affiliations Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea, Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: BDY. Data curation: KO EHO SWH SHP KJK SKY BDY. Formal analysis: KO EHO SB BDY. Investigation: KO EHO EMS GUK MS SWH SHP DHY KJK JSB SJM SKY BDY. Methodology: KO SB BDY. Project administration: BDY. Resources: SWH SHP DHY KJK JSB SJM SKY BDY. Supervision: JSB SJM BDY. Validation: BDY. Visualization: KO BDY. Writing – original draft: KO. Writing – review & editing: JSB SJM BDY.