1. Emergency Medicine, University of Helsinki; Helsinki University Hospital; Helsinki Finland
2. Cardiology, University of Helsinki, Heart and Lung Center; Helsinki University Hospital; Helsinki Finland
3. Intensive Cardiac Care Unit, Cardiology Department, Hospital de la Santa Creu i Sant Pau; Biomedical Research Institute Sant Pau (IIB Sant Pau); Barcelona Spain
4. Rigshospitalet, Copenhagen University Hospital, Division of Heart Failure; Pulmonary Hypertension and Heart Transplantation; Copenhagen Denmark
5. University Hospital Brno; Department of Internal Medicine and Cardiology; Brno Czech Republic
6. Attikon University Hospital; Heart Failure Clinic and Secondary Cardiology Department; Athens Greece
7. Institute of Cardiology; Intensive Cardiac Therapy Clinic; Warsaw Poland
8. University of Porto, CINTESIS, Department of Cardiology; Porto Medical School, São João Hospital Center; Porto Portugal
9. Division of Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health; University and Civil Hospital of Brescia; Italy
10. Department of Medical Sciences and Translational Medicine, University of Rome Sapienza; Emergency Medicine Sant'Andrea Hospital; Rome Italy
11. Klinikum Ludwigshafen; Medizinische Kinik B; Ludwighafen Germany
12. University of Lübeck, Medical Clinic II, Cardiology; Angiology and Intensive Care; Lübeck Germany
13. INSERM U942, Hopital Lariboisiere; APHP and University Paris Diderot; Paris France