1. From Department of Cardiology, Poole Hospital NHS Foundation Trust, UK (C.J.B., N.B., L.M.); Department of Postgraduate Medical Education, Bournemouth University, UK (C.J.B., J.P.); Research Institute for Sport, Physical Activity, and Leisure, Leeds Beckett University, Leeds, UK (C.J.B., D.R.W., J.O. A.M.); Department of Physiology, University of Oxford, UK (D.A.H.); Defence Medical Services, Lichfield, UK (D.A.H., D.R.W., J.B.-D., A.M.); Northumbria and Newcastle NHS Trusts, Wansbeck General and...