1. Department of Neurosurgery, School of Medicine, University of Crete, 70013 Heraklion, Greece
2. Pediatric Intensive Care Unit, School of Medicine, University of Crete, 70013 Heraklion, Greece
3. Department of Clinical Chemistry, School of Medicine, University of Crete, 70013 Heraklion, Greece
4. Department of General Surgery, General Hospital of Ierapetra, 72200 Ierapetra, Greece
5. Department of Psychiatry, School of Medicine, University of Crete, 70013 Heraklion, Greece