1. Department of Cardiology, Heart Lung Center, Leiden University Medical Center , Albinusdreef 2, 2300 RC Leiden , The Netherlands
2. Department of Cardiology, Royal Perth Hospital , Perth, WA , Australia
3. Department of Cardiovascular Medicine, Tokyo Medical and Dental University , Tokyo , Japan
4. Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of the Sacred Heart , Rome , Italy
5. Department of Cardiology, Jessa Hospital Hasselt , Stadsomvaart 11, 3500 Hasselt , Belgium
6. Department of Cardiology, Hospital Garcia de Orta , Almada , Portugal
7. Department of Cardio-Thoracic Surgery, Leiden University Medical Center , 2300 RC Leiden , The Netherlands
8. School of Medicine, University of Notre Dame , Fremantle, WA , Australia
9. Heart Institute, Hospital University Germans Trias i Pujol , Badalona , Spain
10. Heart Center, University of Turku and Turku University Hospital , Turku , Finland