1. Department of Cardiac Surgery, Centre Cardiologique du Nord de Saint-Denis, Paris, France
2. Department of Clinical and Experimental Medicine, University of Messina, Italy
3. Regenerative Medicine, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
4. Department of Cardiovascular Sciences, Fondazione Policlinico Universitario A. Gemelli IRCSS, Italy
5. Cardiovascular Surgery, Università Campus Bio-Medico di Roma, 00128 Rome, Italy
6. Department of Cardiac Surgery, La Pitié Salpetriere Hospital, Paris, France