1. University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, Chancellor’s Building, 49 Little France Crescent, Edinburgh EH164SB, UK
2. Edinburgh Imaging Facility QMRI, University of Edinburgh, Edinburgh EH164TJ, UK
3. Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, NY 10461, USA
4. Christchurch Heart Institute, University of Otago, Christchurch 8140, New Zealand
5. Glasgow Clinical Research Imaging Facility, Queen Elizabeth University Hospital, Glasgow G514LB, UK