[1] Univ Amsterdam, Acad Med Ctr, NL-1105 AZ Amsterdam, Netherlands
[2] Peter Munk Cardiac Ctr, Toronto, ON, Canada
[3] Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[4] Catholic Univ Louvain, Dept Cardiol, B-3000 Louvain, Belgium
[5] Univ Med Ctr Groningen, NL-9713 AV Groningen, Netherlands