Tom Ryu a,#, Beom Sun Chung b,#, Jaejun Lee c, Ji Won Han c, Hyun Yang c, Keungmo Yang c
aDepartment of Internal Medicine, Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul, 04401, South Korea
bDepartment of Anatomy, Yonsei University Wonju College of Medicine, Wonju, 26426, South Korea
cDepartment of Internal Medicine, Division of Gastroenterology and Hepatology, College of Medicine, The Catholic University of Korea, Seoul, 06591, South Korea
#Tom Ryu and Beom Sun Chung equally contributed to this work.
Corresponding author : Keungmo Yang