1Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
2Department of Inflammatory Bowel Disease Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
© Copyright 2019. Korean Association for the Study of Intestinal Diseases. All rights reserved.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
FINANCIAL SUPPORT
The authors received no financial support for the research, authorship, and/or publication of this article.
CONFLICT OF INTEREST
BDY has received a research grant from Celltrion; consulting fees from Abbvie Korea, Ferring Korea, Janssen Korea, Kangstem Biotech, Kuhnil Pharm., Shire Korea, Takeda Korea, IQVIA, Cornerstones Health, and Robarts Clinical Trials Inc.; speaking fees from Abbvie Korea, Janssen Korea, Shire Korea, Takeda Korea, and IQVIA. However, all of these are not relevant to this article.
AUTHOR CONTRIBUTION
Conceptualization, writing, editing, and approval of the final manuscript: Ye BD. Conceptualization and writing: Kim J.