Professor Parveen Kumar, Professor of Clinical Medical Education, Barts and The London, Queen Mary's School of Medicine and Dentistry, University of London; Honorary Consultant Physician and Gastroenterologist, Barts and The London NHS Trust and The Homerton Hospital NHS Trust, London, UK.
Dr Michael Clark, Honorary Senior Lecturer, Barts and The London, Queen Mary's School of Medicine and Dentistry, University of London, UK.