1. Department of Colorectal Surgery; Digestive Disease Institute; Cleveland Clinic Abu Dhabi; Abu Dhabi United Arab Emirates
2. Section of Female Pelvic Medicine and Reconstructive Surgery; Division of Obstetric and Gynecology; Health Sciences Center; University of Oklahoma; Oklahoma City Oklahoma USA
3. Academic Department of Surgery; St Vincent's Hospital Clinical School; Sydney New South Wales Australia
4. CIBERehd; Instituto de Salud Carlos III; Madrid Spain
5. Department of Paediatric Radiology; Medical University of Lublin; Lublin Poland