1 Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands.
2 Netherlands Heart Institute, Utrecht, the Netherlands.
3 Department of Genetics, Erasmus University Medical Centre, Rotterdam, the Netherlands.
4 Department of Genetics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands.
5 Department of Cardiology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands.
6 Amsterdam Cardiovascular Sciences, Heart Failure and Arrhythmias, Amsterdam, the Netherlands.
7 Department of Cardiology, Division Heart & Lungs, Utrecht University Medical Centre, Utrecht, the Netherlands.
8 Institute of Cardiovascular Science and Institute of Health Informatics, Faculty of Population Health Sciences, University College London, London, UK.
9 Department of Cardiology, Haga Teaching Hospital, The Hague, the Netherlands.
10 Department of Cardiology, Antonius Hospital, Sneek, the Netherlands.
11 Department of Genetics, University of Utrecht, Utrecht University Medical Centre, Utrecht, the Netherlands.
12 Department of Radiology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands.
13 Department of Cardiology, Erasmus University Medical Centre, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands.