1. Congenital Cardiac Surgery Department, IRCCS Policlinico San Donato , San Donato Milanese , Italy
2. Department of Cardiothoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre , Maastricht , The Netherlands
3. Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum , Bydgoszcz , Poland
4. Cardiology Department, Bellvitge University Hospital , Barcelona , Spain
5. Department of Cardiac Surgery and Transplantology, Central Clinical Hospital of the Ministry of Interior, Centre of Postgraduate Medical Education , Warsaw , Poland
6. Cardiac Surgery Unit, ASST dei Sette Laghi, Department of Medicine and Surgery, University of Insubria , Varese , Italy
7. Department of Cardiology, IDIPAZ, Hospital Universitario La Paz , Madrid , Spain
8. Department of Cardiovascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato , San Donato Milanese , Italy
9. Intensive Cardiac Care Unit, Cardiology Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau , Barcelona , Spain
10. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares, Instituto de Salud Carlos III , Madrid , Spain
11. Department of Cardiac Surgery, Medical University of Innsbruck , Innsbruck , Austria
12. Department of Cardiac Surgery, San Raffaele University Hospital , Milan , Italy
13. Cardiac Surgery Unit, Cardio-Thoraco-Vascular Department, Niguarda Hospital , Milan , Italy
14. Department of Cardiology, Instituto de Ciencias del Corazón (ICICOR), Hospital Clínico Universitario de Valladolid , Valladolid , Spain
15. Acute Cardiovascular Care Unit, Cardiology, Hospital Germans Trias i Pujol, Universitat Autònoma de Barcelona , Spain
16. Department of Cardiac Surgery, Cardiovascular Center, Klinikum Nürnberg, Paracelsus Medical University , Nuremberg , Germany
17. Department of Cardiac Surgery, Medical University of Silesia, School of Medicine in Katowice , Katowice , Poland
18. Department of Cardiovascular Surgery, University Heart & Vascular Center Hamburg , Hamburg , Germany
19. Department of Cardiac Surgery, Louis Pradel Cardiologic Hospital , Lyon , France
20. Intensive Cardiac Care Unit, Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre , Madrid , Spain
21. Cardiology Department, Hospital Josep Trueta , Girona , Spain
22. Department of Thoracic and Cardiovascular Surgery, West-German Heart and Vascular Center Essen, University Duisburg-Essen , Germany
23. Cardiovascular and Transplant Department, Papa Giovanni XXIII Hospital , Bergamo , Italy
24. Acute Cardiac Care Unit, Cardiology Department, Hospital Clínic, IDIBAPS, Universitat de Barcelona , Barcelona , Spain
25. Cardiology Department, Hospital Universitario Puerta de Hierro-Majadahonda , Madrid , Spain
26. Department of Cardio-Thoracic Surgery, University Hospital Henri-Mondor, Assistance Publique–Hopitaux de Paris Créteil , Paris , France
27. Department of Cardiology, Hospital General Universitario Gregorio Marañon, CIBERCV, and Universidad Europea, Universidad Complutense , Madrid , Spain
28. Cardiology Department, Hospital Ramón y Cajal , Madrid , Spain
29. Department of Cardiothoracic Surgery, Golden Jubilee National Hospital , Glasgow , UK
30. Department of Cardiology, Instituto Cardiovascular, Hospital Universitario Clínico San Carlos , Madrid , Spain
31. Department of Experimental and Clinical Medicine, ‘Magna Graecia’ University of Catanzaro , Catanzaro , Italy
32. Department of Cardiology, Hospital Universitario Marqués de Valdecilla , Santander , Spain
33. Department of Cardiac Surgery, University Hospital Düsseldorf, Heinrich Heine University , Düsseldorf , Germany
34. Department of Cardiology, Hospital Universitario Álvaro Cunqueiro , Vigo , Spain
35. Cardiac Intensive Care Unit, University Hospital of La Coruña , La Coruña , Spain
36. Department of Cardiology, Complejo Asistencial Universitario Salamanca, CIBER-CV, IBSAL , Salamanca , Spain
37. Cardiac Surgery Unit, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico , Milan , Italy
38. Cardiology Unit, University Hospital of the Canary Islands , La Laguna , Spain
39. Cardiac Surgery Department, Mauriziano Hospital , Turin , Italy
40. Department of Cardiology, Virgen Macarena Hospital , Sevilla , Spain
41. Coronary Care Unit, Department of Intensive Care Medicine, Hospital Clínico Universitario Virgen de la Arrixaca , Murcia , Spain
42. Cardiovascular Research Institute Maastricht , Maastricht , The Netherlands