1. Department of Cardiology University of Groningen Hanzeplein 1 9713 GZ Groningen the Netherlands
2. Innovative Clinical Trials, Department of Cardiology and Pneumology University Medical Centre Göttingen (UMG) Göttingen Germany
3. National Heart & Lung Institute Royal Brompton and Harefield Hospitals Imperial College London UK
4. University of Bergen Bergen Norway
5. University of Stavanger Stavanger Norway
6. Department of Cardiology, Heart Failure Unit Athens University Hospital Attikon Athens Greece
7. School of Medicine Centre for Cardiovascular and Lung Biology, Division of Medical Sciences, University of Dundee Ninewells Hospital & Medical School Dundee UK
8. Department of Cardiovascular Sciences, University of Leicester, Glenfield Hospital, and NIHR Leicester Cardiovascular Biomedical Research Unit Glenfield Hospital Leicester LE3 9QP UK
9. Department of Heart Diseases Wroclaw Medical University, Poland and Cardiology Department, Military Hospital Wroclaw Poland
10. Inserm CIC 1433 Université de Lorrain CHU de Nancy Nancy France
11. Department of Epidemiology, Biostatistics and Bioinformatics Academic Medical Centre Amsterdam the Netherlands
12. Institute of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health University of Brescia Italy