[1] ANMCO Res Ctr, Florence, Italy
[2] Linkoping Univ Hosp, Dept Cardiol, S-58185 Linkoping, Sweden
[3] Attikon Univ Hosp, Athens, Greece
[4] Inst Cardiovasc Dis Prof Dr CC Iliescu, Bucharest, Romania
[5] Hosp Univ A Coruna, Heart Failure & Heart Transplant Program, La Coruna, Spain
[6] Med Univ Lodz, Dept Cardiol, Lodz, Poland
[7] Med Univ Graz, Graz, Austria
[8] Copenhagen Univ Hosp, Dept Cardiol, Bispebjerg Hosp, Copenhagen, Denmark
[9] Univ Hosp Nancy, Clin Invest Ctr, Inserm 9501, Vandoeuvre Les Nancy, France
[10] Ettore Sansavini Hlth Sci Fdn, Maria Cecilia Hosp GVM Care & Res, Cotignola, Italy