| Affiliation: | 1. Mohammed V University Medical School, Rabat, Morocco;2. Surgical Department A, Ibn Sina University Hospital, Rabat, Morocco;1. Department of Surgery, Massachusetts General Hospital Crohn''s and Colitis Center, Boston, MA, USA;2. Department of Surgery, Johns Hopkins Hospital, Baltimore, MD, USA;1. Dept. of Surgery, VieCuri Medical Centre, Venlo, The Netherlands;2. Dept. of Clinical Epidemiology, VieCuri Medical Centre, Venlo, The Netherlands;3. Department of Epidemiology, Maastricht University Medical Centre+, GROW School for Oncology and Developmental Biology, Maastricht, The Netherlands;4. Dept. of Surgery, Laurentius Medical Centre, Roermond, The Netherlands;5. Dept of Surgery, Maxima Medical Centre, Veldhoven, The Netherlands;1. The Townsville Hospital, Institute of Surgery, 100 Angus Smith Dr, Douglas, QLD, 4814, Australia;2. James Cook University, School of Medicine and Dentistry, 4814, Queensland, Australia |
