1. Department of Food Science and Nutrition, School of Environment, University of the Aegean, Myrina, Greece
2. Department of Geriatric Psychiatry, School of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
3. Department of Neurology, School of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
4. Second Department of Propedeutic Surgery, Medical School, University of Athens, Athens, Greece
5. Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, Thessaloniki, Greece