Gournelli M, Nena E, Serif-Damadoglou E, Arvaniti A Department of Psychiatry, Laboratory of Social Medicine, Faculty of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
Tsiartas E, Kontopyrgou D, Kyprianou H, Haidich AB, Dardavessis T Department of Hygiene, Social & Preventive Medicine, and Medical Statistics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece