1Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea;
2Center for Cohort Studies, Total Healthcare Center, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, South Korea;
3Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, South Korea;
4Department of Clinical Research Design & Evaluation, SAIHST, Sungkyunkwan University, Seoul, South Korea;
5Department of Epidemiology and Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA.
Correspondence: Seungho Ryu, MD, PhD. E-mail: [email protected]. Yong Kyun Cho, MD, PhD. E-mail: [email protected].
SUPPLEMENTARY MATERIAL accompanies this paper at https://links.lww.com/AJG/C680
*Won Sohn and Yoosoo Chang contributed equally to this work.
