1 University of Crete and University Hospital of Heraklion, Heraklion, Greece; Department of Cardiology, University Hospital of Lausanne, Lausanne, Switzerland. Electronic address: skalidis7@gmail.com.
2 Department of Cardiology, University Hospital of Lausanne, Lausanne, Switzerland.
3 Department of Cardiology, Hippokration General Hospital, Athens, Greece.
4 University of Crete and University Hospital of Heraklion, Heraklion, Greece.