1. Department of Nutrition and Dietetics, Harokopio University of Athens, 17671 Athens, Greece
2. 1st Department of Neurology, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, 11528 Athens, Greece
3. Laboratory of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
4. Department of Neurology, Faculty of Medicine, University of Thessaly, 41500 Larissa, Greece
5. Department of Neurology, Medical School, University of Cyprus, Nicosia 2408, Cyprus
6. Athens Association of Alzheimer’s Disease and Related Disorders, 11636 Maroussi, Greece
7. Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, The Gertrude H. Sergievsky Center, Department of Neurology, Columbia University, New York, NY 10032, USA