1. AMC Heart Center, Department of Clinical and Experimental Cardiology, Academic Medical Center Amsterdam; University of Amsterdam; Amsterdam The Netherlands
2. Department of Clinical Genetics, University Medical Center Groningen; University of Groningen; Groningen The Netherlands
3. Department of Clinical Genetics, Academic Medical Center Amsterdam; University of Amsterdam; Amsterdam The Netherlands
4. Department of Anatomy, Embryology and Physiology, Academic Medical Center Amsterdam; University of Amsterdam; Amsterdam The Netherlands
5. Department of Cardiology; S. Orsola-Malpighi Hospital; Bologna University Italy
6. Department of Cardiology; Antonius Hospital; Sneek The Netherlands
7. Department of Cardiology; Deventer Hospital; Deventer The Netherlands
8. Department of Cardiology, University Medical Center Groningen; University of Groningen; Groningen The Netherlands