[1] Uniwersytet Jagiellonski, Inst Kardiol, Coll Med, PL-31501 Krakow, Poland
[2] Slaski Uniwersytet Med, Katowice, Poland
[3] Uniwersytet Med, Lodz, Poland
[4] Uniwersytet Med, Klin Kardiol 1, Poznan, Poland
[5] Inst Kardiol, Warsaw, Poland
[6] Slaskie Centrum Chorob Serca, Zabrze, Poland
[7] Szpital Grochowski, CMKP, Kardiol Klin, Warsaw, Poland