1. Department of Neurology; Hospital of Merano (SABES-ASDAA); Merano-Meran Italy
2. Department of Neuropsychiatry; Alex Ekwueme Federal University Teaching Hospital (AEFUTHA); Abakaliki Nigeria
3. Department of Mathematics and Statistics; York University; Toronto, ON Canada
4. Neurological Clinic; Marche Polytechnic University; Ancona Italy