1 British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom; Golden Jubilee National Hospital, Clydebank, United Kingdom. Electronic address: colin.berry@glasgow.ac.uk.
2 British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom; Golden Jubilee National Hospital, Clydebank, United Kingdom.
3 Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia; Goethe Institute for Experimental and Translational Cardiovascular Imaging, Frankfurt, Germany.