1. Vascular Surgery Unit, 2nd Surgical Department, Medical School, National and Kapodistrian University of Athens, Athens, Greece
2. MSc “Cardiopulmonary Resuscitation”, Medical School, National and Kapodistrian University of Athens, Athens, Greece
3. Hellenic Society of Cardiopulmonary Resuscitation, Athens, Greece
4. Department of Anesthesiology, Tzaneio Hospital of Piraeus, Piraeus, Greece
5. Department of Biopathology, Aretaion Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
6. Neonatal Division, Department of Pediatrics, Aretaion Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece