[1] Inst Cardiol, Telecardiol Ctr, Alpejska 42, PL-04628 Warsaw, Poland
[2] Guglielmo da Saliceto Hosp, Heart Failure Unit, Cardiol, Piacenza, Italy
[3] Linkoping Univ, Fac Hlth Sci, Linkoping, Sweden
[4] Cyprus Univ Technol, Limassol, Cyprus
[5] Monash Univ, Melbourne, Vic, Australia
[6] Univ Hosp Bern, Cardiol Clin, Tiefenauspital, Bern, Switzerland
[7] IRCCS Fdn S Maugeri, Ctr Med & Riabilitaz Veruno, Div Cardiol, Via Revislate 13, I-28010 Novara, Italy
[8] IRCCS, Ctr Cardiol Monzino, Milan, Italy
[9] Univ Bergen, Stavanger Univ Hosp, Stavanger, Norway
[10] Univ Belgrade, Sch Med, Dept Internal Med, Polyclin Clin Ctr Serbia, Belgrade 11001, Serbia
[11] Onassis Cardiac Surg Ctr, Heart Failure Transplant Unit, Athens, Greece
[12] Wroclaw Med Univ, Dept Heart Dis, Fac Hlth Sci, Mil Hosp, Wroclaw, Poland
[13] Univ Warwick, Coventry, W Midlands, England