1. Department of Surgical Sciences, Institute of Sports and Exercise Health, University College, London, United Kingdom.
2. Defence Medical Services, Lichfield, United Kingdom.
3. Research Institute for Sport, Physical Activity and Leisure, Leeds Beckett University, Leeds, United Kingdom.
4. Northumbria and Newcastle NHS Trusts, Wansbeck General and Royal Victoria Infirmary, Newcastle, United Kingdom.
5. Department of Cardiology, Poole Hospital NHS Foundation Trust, Poole, United Kingdom.
6. Department of Postgraduate Medical Education, Bournemouth University, Bournemouth, United Kingdom.