[1] Charles Univ Prague, Fac Med 3, Cardioctr, Prague, Czech Republic
[2] Univ Hosp Kralovske Vinohrady, Prague, Czech Republic
[3] Masaryk Univ, Fac Med, Int Clin Res Ctr, Dept Internal Med Cardioangiol 1, Brno, Czech Republic
[4] St Annes Univ Hosp, Brno, Czech Republic
[5] Univ Hosp Ostrava, Cardiovasc Dept, Ostrava, Czech Republic
[6] Masaryk Univ, Dept Internal Med & Cardiol, Fac Med, Brno, Czech Republic
[7] Univ Hosp Brno, Brno, Czech Republic
[8] Inst Hlth Informat & Stat Czech Republic, Prague, Czech Republic
[9] Masaryk Univ, Inst Biostat & Anal, Fac Med, Brno, Czech Republic