1. Division of Cardiology, Onassis Cardiac Surgery Center, Athens, Greece
2. Laboratory of Experimental Surgery and Surgical Research, University of Athens, Medical School, Athens, Greece
3. Department of Surgery, Duke University, Durham, NC 27710, United States
4. Department of Clinical Therapeutics, , Greece
5. Division of Endocrinology and Diabetes, "Aghia Sophia" Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
6. 1st Department of Cardiology, Hippokration Hospital, National and Kapodistrian University of Athens, Medical School, 11527 Athens, Greece