[1] Natl Inst Cardiol, Dept Valvular Heart Dis, ul Alpejska 42, PL-04628 Warsaw, Poland
[2] Natl Inst Cardiol, Dept Intens Cardiac Therapy, Warsaw, Poland
[3] Natl Inst Cardiol, Dept Cardiac Surg & Transplantol, Warsaw, Poland
[4] Natl Inst Cardiol, Dept Coronary & Struct Heart Dis, Warsaw, Poland
[5] Natl Inst Cardiol, Dept Radiol, Warsaw, Poland
[6] Natl Inst Cardiol, Dept Valvular Heart Dis, Ul Alpejska 42, Warsaw, Poland