1. Department of Cardiology Erasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands
2. Department of Cardiology Hospital Group Twente Hengelo The Netherlands
3. Department of Cardiology Hospital Rivierenland Tiel The Netherlands
4. Department of Cardiology Tergooi Blaricum The Netherlands
5. Department of Cardiology Zuwe Hofpoort Hospital Woerden The Netherlands
6. Department of Cardiology Scheper Hospital Emmen The Netherlands
7. Department of Cardiology Maastricht University Medical Center Maastricht The Netherlands