1. University of Birmingham Institute of Cardiovascular Sciences, City Hospital, Dudley Road, Birmingham B18 7QH, UK
2. Department of Internal Medicine and Medical Specialties, Sapienza-University of Rome, Rome, Italy
3. EURObservational Research Programme Department, European Society of Cardiology, Sophia Antipolis, France
4. Department of Cardiology, Congenital Heart Diseases and Electrotherapy, Silesian Medical University, Silesian Centre for Heart Diseases, Zabrze, Poland
5. Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
6. Department of Experimental, Diagnostic and Specialty Medicine, Institute of Cardiology, University of Bologna, S. Orsola-Malpighi University Hospital, Bologna, Italy
7. Cardiology Department, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
8. Division of Cardiology & Regional Reference Centre for Diagnosis and Care of Heart Failure, University Hospital ‘Paolo Giaccone’ of Palermo, Italy;
9. Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark