1. National and Kapodistrian University of Athens, Medical School, Athens, Greece
2. Hellenic Society of Cardiopulmonary Resuscitation, Athens, Greece
3. Experimental-Research Centre ELPEN Pharmaceutical Co. Inc., Athens, Greece
4. Department of Neonatology, Aretaieio Hospital, National and Kapodistrian University of Athens, Medical School, Athens, Greece
5. European University Cyprus, School of Medicine, Nicosia, Cyprus