1. Department of Cardiac Surgery, Paracelsus Medical University Nuremberg , Nuremberg, Germany
2. Department of Cardiac Surgery, Artemed Clinic Munich South , Munich, Germany
3. Department of Cardiology, Paracelsus Medical University Nuremberg , Nuremberg, Germany
4. Cardiac Surgery Unit, Department of Experimental and Clinical Science, Magna Graecia University of Catanzaro , Catanzaro, Italy
5. Department of Cardiac Surgery, Città di Lecce Hospital, GVM Care & Research , Lecce, Italy
6. Paracelsus Medical University , Nuremberg, Germany