Affiliation: | 1. Gastrointestinal Unit, Massachusetts General Hospital, Boston, Massachusetts;2. Department of Medicine, Harvard Medical School, Boston, Massachusetts;3. Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts;1. Department of Gastroenterology;2. Department of Diagnostic Imaging, Sheba Medical Center affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Israel;1. Department of General Surgery, Queen Elizabeth II Jubilee Hospital, Metro South Health, Coopers Plains;2. School of Medicine, Griffith University, Gold Coast, Queensland, Australia |