[1] Inst Clin & Expt Med, Dept Cardiol, Prague, Czech Republic
[2] Charles Univ Prague, Fac Med 3, Prague, Czech Republic
[3] Univ Utah, Sch Med, Div Cardiovasc Med, Salt Lake City, UT USA
[4] Palacky Univ, Fac Med, Dent, Olomouc, Czech Republic
[5] Inst Clin & Expt Med, Dept Prevent Cardiol, Prague, Czech Republic
[6] Charles Univ Prague, Ctr Cardiovasc Prevent, Fac Med 1, Videnska 800, Prague 14059 4, Czech Republic
[7] Charles Univ Prague, Thomayer Hosp, Videnska 800, Prague 14059 4, Czech Republic