1. Department of Cardiothoracic Surgery
2. West of Scotland Heart and Lung Centre
3. Golden Jubilee National Hospital
4. Glasgow G81 4DY
5. UK
6. Department of Biochemical Sciences
7. Sapienza University of Rome
8. Italy
9. Cardiac Surgery Centre Cardiologique du Nord de Saint-Denis
10. Paris
11. France
12. Department of Cardiovascular Sciences
13. University Campus Bio Medico of Rome