[1] Masaryk Univ, Univ Hosp Brno, Int Clin Res Ctr, Dept Internal Med & Cardiol, Brno, Czech Republic
[2] Mayo Clin & Mayo Fdn, Dept Internal Med, Div Cardiovasc Dis, Rochester, MN USA
[3] Univ Hosp Brno, Dept Internal Med & Cardiol, Brno, Czech Republic