title: Are there interregional differences in the epidemiology and clinical characteristics of Crohn's disease in the Asia-Pacific region?
authors.affiliation: Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
authors.forename: Sinwon
authors.initials: S
authors.lastname: Lee
authors.affiliation: Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.; Inflammatory Bowel Disease Center, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
authors.forename: Byong Duk
authors.initials: BD
authors.lastname: Ye