1. Cardiology Unit, Department of Internal Medicine; University of Genoa, and Ospedale Policlinico San Martino; Genoa Italy
2. I Klinika Kardiologii Uniwersytetu Medycznego w Poznaniu; Poznan Poland
3. Klinika Kardiologii UM; Szpital Sterlinga, Lodz; Poland
4. Hospital Universitario Virgen Macarena; Cardiology; Sevilla Spain
5. Unidad de Insuficiencia Cardiaca y Cardiopatias Familiars; U.G.C. de Cardiologia y Cirugia Cardiovascular, Ibima, Malaga; Spain
6. Military Hospital, State Health Centre; Budapest Hungary
7. Cardiology Division, Istituti Clinici Scientifici Maugeri, IRCCS, Veruno; Italy
8. University Paris 7, Assistance Publique-Hôpitaux de Paris, U942 Inserm; Paris France
9. Division of Cardiology; General Hospital Murska Sobota; Slovenia
10. Faculty of Medicine; University of Ljubljana; Slovenia
11. EURObservational Research Programme; European Society of Cardiology; Sophia-Antipolis France
12. ANMCO Research Centre; Florence Italy
13. Heart Failure Unit, Cardiac Department; Guglielmo da Saliceto Hospital, AUSL Piacenza; Italy
14. Monash University; Australia and University of Warwick; Coventry UK
15. Centro Cardiologico Universitario e LTTA Centre; University of Ferrara; Italy
16. Maria Cecilia Hospital, GVM Care & Research - E.S. Health Science Foundation; Cotignola (RA) Italy