[1] St Georges Univ London, Cardiol Clin Acad Grp, London, England
[2] FEops, Ghent, Belgium
[3] Univ Ghent, FEops, Ghent, Belgium
[4] Erasmus MC, Dept Cardiol, Rotterdam, Netherlands
[5] Rigshosp, Copenhagen, Denmark
[6] Univ Hosp, Rigshosp, Copenhagen, Denmark
[7] Univ Heart Ctr Freiburg Bad Krozingen, Bad Krozingen, Germany
[8] Galway Univ Hosp, Galway, Ireland
[9] Kings Coll London, London, England
[10] Guys & St Thomas NHS Fdn Trust, London, England