1. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, the Netherlands
2. Department of Cardiology, Academic Medical Center, the Netherlands
3. Netherlands Heart Institute, the Netherlands
4. Department of Cardiology, Leiden University Medical Center, the Netherlands
5. Department of Cardiology, University Medical Center Utrecht, the Netherlands
6. Department of Cardiology, University Medical Center Groningen, the Netherlands
7. Department of Cardiology, St Antonius Hospital, the Netherlands
8. Department of Cardiothoracic Surgery, Leiden University Medical Center, the Netherlands
9. Department of Cardiothoracic Surgery, Academic Medical Center, the Netherlands