1. University of Groningen, Department of Cardiology; University Medical Center Groningen; Groningen The Netherlands
2. Division of Cardiology and Metabolism, Department of Cardiology (CVK); and Berlin-Brandenburg Center for Regenerative Therapies (BCRT); German Centre for Cardiovascular Research (DZHK) partner site Berlin; Charité Universitätsmedizin Berlin; Berlin Germany
3. National Heart and Lung Institute, Imperial College London; and Robertson Centre for Biostatistics and Clinical Trials; University of Glasgow; Glasgow UK
4. University of Bergen; Bergen Norway
5. Stavanger University Hospital; Stavanger Norway
6. National and Kapodistrian University of Athens, School of Medicine, Department of Cardiology, Heart Failure Unit; Athens University Hospital Attikon; Athens Greece
7. Institute of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health; University of Brescia; Brescia Italy
8. Department of Cardiovascular Sciences, University of Leicester, Glenfield Hospital, and NIHR Leicester Biomedical Research Centre; Glenfield Hospital; Leicester UK
9. Department of Heart Diseases; Wroclaw Medical University, and Cardiology Department, Military Hospital; Wroclaw Poland
10. Department of Epidemiology, Biostatistics and Bioinformatics; Academic Medical Centre; Amsterdam The Netherlands
11. Inserm CIC 1433, Université de Lorraine; CHU de Nancy; Nancy France
12. School of Medicine Centre for Cardiovascular and Lung Biology, Division of Medical Sciences; University of Dundee, Ninewells Hospital & Medical School; Dundee UK