1. Department of Internal Medicine and Cardiology, Specialist Hospital H. Klimontowicza, 38-300 Gorlice, Poland
2. Center for Invasive Cardiology, Electrotherapy and Angiology, 33-300 Nowy Sącz, Poland
3. Department of Internal Medicine with Cardiology Subdivision, Blessed Marta Wiecka District Hospital, 32-700 Bochnia, Poland