[1] Specialist Hosp, Dept Cardiol & Internal Dis, Gorlice, Poland
[2] Specialist Hosp St Lucas, Dept Internal Med & Toxicol, Tarnow, Poland
[3] Jagiellonian Univ, Med Coll, Dept Cardiol Intervent Electrocardiol & Hypertens, Krakow, Poland
[4] Queens Univ, Kingston Gen Hosp, Div Cardiol, Kingston, ON, Canada