1. Independent researcher and editor, formerly Department of Field Activities, Accreditation Council for Graduate Medical Education, Chicago, IL, USA;
2. Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, UK;
3. Orthopaedic Registrar, NE Thames (Pott) and Ph.D Candidate, Medical Education, Barts and the London School of Medicine and Dentistry, London, UK;
4. Centre for Medical Education, McGill University, Montreal, Canada