National and Kapodistrian University of Athens, National and Kapodistrian University of Athens - Department of Hygiene, Epidemiology and Medical Statistics, National and Kapodistrian University of Athens - Laiko General Hospital, National and Kapodistrian University of Athens - Laiko General Hospital, National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, National and Kapodistrian University of Athens and National and Kapodistrian University of Athens - First Department of Propaedeutic and Internal Medicine

National and Kapodistrian University of Athens - Department of Hygiene, Epidemiology and Medical Statistics, National and Kapodistrian University of Athens, University of West Attica (UNIWA), National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, University of Cyprus, National and Kapodistrian University of Athens, New York University (NYU), National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, National and Kapodistrian University of Athens, University of West Attica (UNIWA) and National and Kapodistrian University of Athens