1. Department of Psychiatry, University Hospital of Heraklion, Heraklion, Greece
2. Department of Psychiatry and Behavioral Health, Sleep Research and Treatment Center, Penn State Health Milton S. Hershey Medical Center, College of Medicine, Pennsylvania State University, Hershey, PA, USA
3. Day Care Center for Alzheimer’s Disease PAGNH “Nefeli”, University Hospital of Heraklion, Heraklion, Greece
4. Department of Social and Family Medicine, University of Crete, Heraklion, Greece
5. Department of Intensive Care Unit, University Hospital of Heraklion, Heraklion, Greece
6. Department of Neurology, University Hospital of Heraklion, Heraklion, Greece