Korean J Gastroenterol 2020; 75(1): 11-16
https://doi.org/10.4166/kjg.2020.75.1.11Ra Ri Cha, Hyun Jin Kim

Department of Internal Medicine, Gyeongsang National University Changwon Hospital, Gyeongsang National University College of Medicine, Changwon, Korea
Correspondence to: Hyun Jin Kim, Department of Internal Medicine, Gyeongsang National University Changwon Hospital, 11 Samjeongja-ro, Seongsan-gu, Changwon 51472, Korea. Tel: +82-55-214-3710, Fax: +82-55-214-3250, E-mail:
imdrkim@naver.com,
ORCID: https://orcid.org/0000-0003-3853-0229