1. Centre for Cardiovascular Science; Queen's Medical Research Institute; Edinburgh Edinburgh
2. Defence Medical Services; Lichfield United Kingdom
3. Department of Cardiology; Poole Hospital NHS Foundation Trust; Poole United Kingdom
4. Centre for Postgraduate Medical Education; Bournemouth University; Bournemouth United Kingdom
5. Research Institute, for Sport, Physical Activity and Leisure; Leeds Beckett University; Leeds United Kingdom
6. Northumbria and Newcastle NHS Trusts; Wansbeck General and Royal Victoria Infirmary; Newcastle United Kingdom. University of Newcastle; Newcastle Upon Tyne United Kingdom