[1] Natl Inst Cardiovasc Dis, Dept Heart Failure & Heart Transplant, Bratislava, Slovakia
[2] Univ Hosp, Dept Internal Med 4, Bratislava, Slovakia
[3] Natl Inst Cardiovasc Dis, Dept Emergency Cardiol, Bratislava, Slovakia
[4] Medirex OJSC, Bratislava, Slovakia
[5] STUVITAL Sro, Bratislava, Slovakia