1. Cognitive Disorders/Dementia Unit, 2nd Department of Neurology, National and Kapodistrian University of Athens, “Attikon” University General Hospital, Athens, Greece
2. Department of Transportation Planning and Engineering, National Technical University of Athens, School of Civil Engineering, Athens, Greece
3. Department of Psychology, National and Kapodistrian University of Athens, Panepistimiopolis, Athens, Greece
4. The University of Tennessee Health Science Center, Memphis, TN, USA