1. National and Kapodistrian University of Athens,Division of Geriatric Psychiatry,First Department of Psychiatry,Athens,Greece
2. University of Ioannina,Department of Informatics and Telecommunications,Kostakioi, Arta,Greece
3. Heinrich Heine University Düsseldorf,Institute of Systems Neuroscience,Düsseldorf,Germany
4. Democritus University of Thrace,Medical School,Alexandroupolis,Greece
5. Attikon General University Hospital, School of Medicine, National and Kapodistrian University of Athens,Second Department of Radiology,Athens,Greece
6. University Mental Health, Neurosciences and Precision Medicine Research Institute "Costas Stefanis",Athens,Greece
7. Attikon General University Hospital, School of Medicine, National and Kapodistrian University of Athens,Second Department of Psychiatry,Athens,Greece