1. Cardiology Department, Athens Naval Hospital, 11521 Athens, Greece
2. European Student Think Tank, Public Health and Policy Working Group, 1058 Amsterdam, The Netherlands
3. Medicine for the Greater Good, the Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
4. Independent Consultant in Public Health, Brandywine, MD 20613, USA
5. Surgical Department of Hygeia Hospital, Erithrou Stavrou 4, 15123 Marousi, Greece