[1] Natl Inst Cardiol, Telecardiol Ctr, 42 Alpejska St, PL-04628 Warsaw, Poland
[2] Natl Inst Cardiol, Dept Coronary Artery Dis & Cardiac Rehabil, Warsaw, Poland
[3] Polish Mothers Mem Hosp Res Inst PMMHRI, Lodz, Poland
[4] Med Univ Silesia, Dept Cardiac Vasc & Endovasc Surg & Transplantol, Zabrze, Poland
[5] Silesian Ctr Heart Dis, Zabrze, Poland
[6] St Camillus Hosp, Palliat Med Dept, Tarnowskie Gory, Poland
[7] Duke Univ, Sch Med, Durham, NC 27706 USA
[8] Natl Inst Cardiol, Warsaw, Poland
[9] Med Univ Gdansk, Dept Rehabil Med, Gdansk, Poland
[10] Med Univ Warsaw, Chair 1, Warsaw, Poland
[11] Med Univ Warsaw, Dept Cardiol, Warsaw, Poland
[12] Univ Rochester, Med Ctr, Rochester, NY 14642 USA
[13] Med Univ Lodz, Dept Internal Med & Cardiac Rehabil, Lodz, Poland
[14] Warsaw Acad Med Rehabil, Warsaw, Poland