1. Cardiology Division, Istituti Clinici Scientifici Maugeri; Centro Medico di Riabilitazione di Veruno; Veruno, Novara Italy
2. Cardiology Center of Monzino, IRCCS, Milan, Italy; and Cardiovascular Section, Department of Clinical Sciences and Community Health; University of Milan; Milan Italy
3. Division of Cardiology and Metabolism - Heart Failure, Cachexia & Sarcopenia, Department of Cardiology (CVK) and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), at Charité University Medicine, Berlin; Department of Cardiology and Pneumology; University Medicine Göttingen (UMG), Göttingen, Germany; German Center for Cardiovascular Research (DZHK); Berlin Germany
4. University of Warwick; Coventry UK
5. Heart Failure and Heart Transplant Unit; Complejo Hospitalario Universitario A Coruña (CHUAC), CIBERCV; La Coruña Spain
6. University Medical Center Groningen; Groningen The Netherlands
7. Emergency Medicine, University of Helsinki, Department of Emergency Medicine and Services; Helsinki University Hospital; Helsinki Finland
8. School of Nursing and Midwifery; Queen's University; Belfast UK
9. Faculty of Medicine; University of Ljubljana; and Center for Heart Failure, General Hospital Murska Sobota; Slovenia
10. Department of Medicine, Karolinska Institutet; and Heart and Vascular Theme; Karolinska University Hospital; Stockholm Sweden
11. University of Brescia; Italy
12. Wroclaw Medical University; Wroclaw Poland
13. National Heart and Lung Institute; Imperial College; London UK
14. Internal Medicine; University of Belgrade School of Medicine; Belgrade Serbia
15. Heart Failure Unit, Cardiac Department; Guglielmo da Saliceto Hospital; Piacenza Italy