1. Cognitive Neuroscience Division Department of Neurology Columbia University New York New York USA
2. 1st Department of Neurology Eginition Hospital National and Kapodistrian University of Athens Athens Greece
3. Athens Alzheimer Association Athens Greece
4. Third Age Day‐Care Center IASIS Glyfada Greece
5. Memory Clinic Henry Dunant Hospital Center Athens Greece
6. Euroclinic Athens Athens Greece
7. Laboratory of Cognitive Neuroscience School of Psychology Aristotle University of Thessaloniki Thessaloniki Greece