1. Department of Cardiology; Poole Hospital NHS Foundation trust; UK
2. Department of Postgraduate Medical Education; Bournemouth University; Bournemouth UK
3. Defence Medical Services; Lichfield UK
4. Research Institute, for Sport, Physical Activity and Leisure; Leeds Beckett University; Leeds UK
5. Northumbria and Newcastle NHS Trusts; Wansbeck General and Royal Victoria Infirmary; Newcastle UK
6. University of Newcastle; Newcastle upon Tyne UK
7. James Cook University Hospital; Middlesborough UK