Ji-Hyun Seo, Heung Keun Park, Ji Sook Park, Jung Sook Yeom, Jae-Young Lim, Chan-Hoo Park, Hyang-Ok Woo, Hee-Shang Youn, Jin-Su Jun, Gyung-Hyuck Ko, Seung-Chul Baik, Woo-Kon Lee, Myung-Je Cho, Kwang-Ho Rhee

Pediatr Gastroenterol Hepatol Nutr.2015;18(4):246-252.   Published online 2015 December 23     DOI: http://dx.doi.org/10.5223/pghn.2015.18.4.246