. 2015 Sep 25;18(3):160–167. doi: 10.5223/pghn.2015.18.3.160
Copyright © 2015 by The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition
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.
Fig. 1. Study protocol.
