Institution: | 2. Department of Medicine, Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada;3. Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada;4. Department of Medical Imaging Research, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada;1. Al-Farabi Kazakh National University, Almaty, Kazakhstan;2. School of Computing and Mathematics, Keele University, Keele, Staffordshire, ST5 5BG, UK |