1. University of Medicine Carol Davila; Bucuresti; Institutul de Urgente Boli Cardiovasculare C.C.Iliescu; Bucuresti Romania
2. Department of Cardiology; General Hospital Celje; Slovenia
3. Department of Internal Medicine; Belgrade University School of Medicine and Heart Failure Centre, Belgrade University Medical Centre; Belgrade Serbia
4. Innovative Clinical Trials, Department of Cardiology and Pneumology; University Medical Center Göttingen (UMG); Göttingen Germany
5. Unidad de Insuficiencia Cardiaca Avanzada y Trasplante Cardiaco; Complexo Hospitalario Universitario A Coruna, CHUAC; LaCoruna Spain
6. Emergency Medicine, Helsinki University, Department of Emergency Medicine and Services; Helsinki University Hospital; Helsinki Finland
7. Attikon University Hospital; Athens Greece
8. EURObservational Research Programme, European Society of Cardiology; Sophia-Antipolis France
9. Heart Failure Unit, Cardiac Department, Guglielmo da Saliceto Hospital; AUSL Piacenza Italy
10. Heart Failure Unit, S. Francisco Xavier Hospital, Centro Hospitalar Lisboa Ocidental. NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa; Portugal
11. University Paris Diderot, Sorbonne Paris Cité, Paris, France; 4APHP, Department of Anaesthesia and Critical Care, Hôpitaux Universitaires Saint Louis-Lariboisière; Paris France
12. Karolinska Institutet, Department of Medicine and Karolinska University Hospital; Stockholm Sweden
13. University of Perugia School of Medicine; Perugia Italy
14. Monash University, Australia and University of Warwick; Coventry UK
15. Department of Cardiology and LTTA Centre; University Hospital of Ferrara and Maria Cecilia Hospital, GVM Care and Research, ES Health Science Foundation; Cotignola Italy
16. Department of Cardiology, Heart Failure Clinic and Transplantation; University Heart Centre Zurich; Zurich Switzerland
17. ANMCO Research Center; Florence Italy
18. National and Kapodistrian University of Athens, School of Medicine, University Hospital Attikon; Athens Greece