1. Department of Cardiology, Amsterdam University Medical Center, Vrije Universiteit, Amsterdam, the Netherlands
2. Department of Cardiology, Barts Heart Centre, London, United Kingdom
3. Department of Epidemiology and Biostatistics, Amsterdam University Medical Center, Vrije Universiteit, Amsterdam, the Netherlands
4. Department of Cardiology, Radboud University Medical Center, Nijmegen, the Netherlands
5. Department of Cardiology, Hammersmith Hospital, Imperial College, London, United Kingdom
6. Department of Cardiology, Medisch Spectrum Twente, Enschede, the Netherlands
7. Department of Cardiology, Hospital Clínico San Carlos El Instituto de Investigación Sanitaria del Hospital Clinic San Carlos and Universidad Complutense de Madrid, Madrid, Spain
8. Department of Cardiology, Isala Heart Center, Zwolle, the Netherlands