1. Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University , Ancona , Italy
2. Department of Pathophysiology, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz , Toruń , Poland
3. Department of Neurology, University of New Mexico , Albuquerque, New Mexico , USA