1. Department of Cardiology S. Chiara Hospital Trento Italy
2. Heart Rhythm Management Centre Postgraduate program in Cardiac Electrophysiology and Pacing Vrije Universiteit Brussel Universitair Ziekenhuis Brussel Brussels Belgium
3. Department of Cardiac Surgery S. Chiara Hospital Trento Italy
4. Cardiac Surgery Department Vrije Universiteit Brussel Universitair Ziekenhuis Brussel Brussels Belgium