[1] Amer Heart Poland, Chrzanow, Poland
[2] Andrzej Frycz Modrzewski Krakow Univ, Fac Med Sci, Dept Cardiol, Krakow, Poland
[3] Med Univ Silesia, Fac Med Sci Katowice, Dept Neurol, Katowice, Poland
[4] Univ Technol, Katowice, Poland
[5] Andrzej Frycz Modrzewski Krakow Univ, Fac Med Sci, Dept Cardiol, Tysiaclecia 86a-34, PL-40871 Katowice, Poland