1. Department of Invasive Arrhythmology, Cardiac Center AGEL AGEL AS Pardubice Czech Republic
2. Cardiology Department Internal Medicine Clinic, Pardubice Hospital Pardubice Czech Republic
3. 1st Department of Internal Medicine ‐ Cardioangiology Charles University Medical Faculty and Teaching Hospital Hradec Králové Czech Republic
4. Department of Medical Biophysics Charles University, Medical Faculty Hradec Králové Czech Republic