1 3rd Medical Department for Cardiology and Intensive Care Medicine, Clinic Ottakring, Montleartstr. 37, 1160, Vienna, Austria. edita.pogran@gmail.com.
2 Ludwig Boltzmann Institute for Interventional Cardiology and Rhythmology, Währinger Gürtel 18-20, 1090, Vienna, Austria. edita.pogran@gmail.com.