School of Health Sciences, Faculty of Medicine, Aristotle University of Thessaloniki, Kiriakidi 1, 54621 Thessaloniki, Greece. Department of Psychiatry and Psychotherapy, Kutvolgyi Clinical Centre, Semmelweis University, Kutvolgyi ut 4, 1125 Budapest, Hungary. Electronic address: gonda.xenia@med.semmelweis-univ.hu. 3rd Department of Psychiatry, School of Health Sciences, Faculty of Medicine, Aristotle University of Thessaloniki, Kiriakidi 1, 54621 Thessaloniki, Greece.