[1] Heraklion University Hospital,Internal Medicine Department
[2] University of Crete,Psychiatry Department, Medical School
[3] University of Crete,Neurology Department, Medical School
[4] Rethymnon General Hospital,Clinic of Social and Family Medicine, Medical School
[5] University of Crete,Neurology Department, Medical School
[6] University of Athens,MELABEV, Research Institute, Community Elders Clubs and Institute for Gerontological Data Bases
[7] Hebrew University,4th Department of Medicine
[8] National and Kapodistrian University of Athens,Institute of Computer Science, Computational Biomedicine Laboratory
[9] University of Cyprus,undefined
[10] Medical School,undefined
[11] Foundation for Research and Technology,undefined