1Department of Gastroenterology and Hepatology, Kyoto University Hospital, Kyoto, Japan.
2Department of Internal Medicine, Al Azhar University, Assint, Egypt.
© Copyright 2015. 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/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Financial support: This work was supported by the Japanese Society for the Promotion of Science 8 involving (grant nos. 24590941, 25860532, 26460967, and 26893122) and also in part by the Health and Labor Sciences Research Grants for research on intractable diseases from the Ministry of Health, Labor, and Welfare of Japan (Investigation and Research for Intractable Inflammatory Bowel Disease).
Conflict of interest: None.