1. Department of Genetics, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands;
2. Netherlands Heart Institute, Moreelsepark 1, 3511 EP, Utrecht, The Netherlands;
3. Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD, USA;
4. Department of Cardiac, Thoracic and Vascular Sciences, University of Padua, Padua 35121, Italy;
5. Department of Clinical and Experimental Cardiology, Heart Centre, Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands;
6. Department of Clinical Genetics, Academic Medical Centre Amsterdam, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands