Affiliations

• ¹ Cardiology Clinical and Academic Group. St Georges, University of London, and St George's University Hospital National Health Service Foundation Trust, United Kingdom (E.P., A.M., C.K.K., S.F., A.B., G.F., G.P.-W., M.P., S.S.).
• ² Department of Medical Biosciences, Exercise Physiology Research Group, Radboud University Medical Centre, Nijmegen, The Netherlands (V.L.A., T.M.H.E.).
• ³ University Hospital Lewisham, London, United Kingdom (K.A.F.).
• ⁴ Barts Heart Centre, University College London, United Kingdom (R.K.H., C.T., J.C.M.).
• ⁵ Institute of Sport and Exercise Health, University College London, United Kingdom (M.G.W.).
• ⁶ HCA Healthcare Research Institute, London, United Kingdom (M.G.W.).
• ⁷ Cedars-Sinai Medical Centre, Biomedical Imaging Research Institute, Los Angeles, CA (D.D.).