1. Oxford University Global Surgery Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
2. College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
3. Hull York Medical School, University of Hull, Kingston Upon Hull, UK & University of York, York, UK
4. Brighton and Sussex Medical School, Brighton, UK
5. Leicester Medical School, University of Leicester, Leicester, UK
6. Faculty of Medicine, Zagazig University, Zagazig, Egypt
7. Medical Education Centre, School of Medicine, University of Nottingham, Nottingham, UK