1. Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom
2. Liverpool Centre for Cardiovascular Science, University of Liverpool, Liverpool Heart and Chest Hospital, Liverpool, United Kingdom
3. Department of Physiology, Radboud Institute of Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
4. Department of Cardiology, Radboud Institute of Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands