[1] Palacky Univ, Fac Med & Dent, Dept Internal Med Cardiol 1, Olomouc, Czech Republic
[2] St Annes Univ Hosp, Internal Cardiol Angiol Clin 1, Brno, Czech Republic
[3] Univ Hosp Brno, Dept Internal Med Cardiol 1, Brno, Czech Republic
[4] Masaryk Univ, Inst Biostat & Anal, IBA, Brno, Czech Republic