J Clin Gastroenterol 2017 Mar;51(3):285-293
*Department of Internal Medicine, Hallym University College of Medicine, Chuncheon †Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang ‡Department of Internal Medicine, Hallym University Gangnam Sacred Heart Hospital §Department of Internal Medicine, Hallym University Gangdong Sacred Heart Hospital, Seoul ∥Department of Internal Medicine, Inje University Haeundae-Paik Hospital, Busan ¶Institute of Lifestyle Medicine, Yonsei University Wonju College of Medicine, Wonju, South Korea #Department of Internal Medicine, University Hospitals Case Medical Center, Cleveland **Department of Molecular and Cellular Physiology, University of Cincinnati College of Medicine, Cincinnati, OH.