1. Cardiovascular Research Institute Maastricht - CARIM, Maastricht University Medical Centre, Maastricht, Netherlands
2. St. Cardiac Surgery Department, St. Boniface Hospital, University of Manitoba, Winnipeg M3B1W7, Canada
3. Lankenau Institute for Medical Research, Wynnewood, PA 19096, USA
4. Department of Medical Biotechnologies, Division of Cardiology, University Hospital of Siena, Siena, Italy
5. Division of Cardiac Surgery University Hospital Center “Mother Teresa” Tirana Albania
6. Department of Experimental & Clinical Medicine, University of Florence, Firenze, Italy