1. Emergency Medicine Department, Attikon University Hospital, National and Kapodistrian University of Athens, Rimini 1, Chaidari, 12461 Athens, Greece
2. Heart Failure Unit, 2nd Department of Cardiology, Attikon University Hospital, National and Kapodistrian University of Athens, Rimini 1, Chaidari, 12461 Athens, Greece
3. Department of Cardiology, “G. Gennimatas” General Hospital, 11527 Athens, Greece
4. 3rd Cardiology Department, Hippokration General Hospital of Thessaloniki, 54642 Thessaloniki, Greece
5. Department of Clinical Therapeutics, University of Athens Medical School, 11527 Athens, Greece
6. Department of Cardiology, School of Medicine, University of Patras, 26504 Patras, Greece
7. Cardiology Department, Medical School, Democritus University of Thrace, 68100 Alexandroupolis, Greece
8. Second Department of Cardiology, Evangelismos General Hospital of Athens, 10676 Athens, Greece
9. Department of Cardiology, Heraklion University Hospital, 71500 Iraklio, Greece
10. Department of Cardiology, Larissa University General Hospital, 41334 Larissa, Greece
11. 1st Department of Cardiology, AHEPA Hospital, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
12. AstraZeneca Greece, Agisilaou 6-8, 15123 Maroussi, Greece
13. First Cardiology Department, Hippokration General Hospital, School of Medicine, National and Kapodistrian University of Athens, 12461 Athens, Greece