1 Department of Cardiovascular Sciences & NIHR Leicester Cardiovascular Biomedical Research Centre, University of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK.
2 Department of Translational Medical Sciences, University Federico II of Naples, Naples, Italy.
3 Heart Department, Cardiology Division, "Cava de'Tirreni & Amalfi Coast" Hospital, University of Salerno, Salerno, Italy.
4 School of Sport, Exercise & Health Sciences, Loughborough University, Loughborough, LE11 3TU, UK.