1. Barts and the London School of Medicine and DenistryQueen Mary University of London London UK
2. School of Medicine, Dentistry, and Biomedical Sciences, Queens University Belfast UK
3. Accident and Emergency, West Middlesex University Hospital London UK
4. Acute Medical UnitBarnsley Hospital NHS Foundation Trust Barnsley UK
5. Department of CardiologyRoyal Free London NHS Foundation Trust London UK