1. Department of Neurology, San Giovanni Battista Hospital, Foligno, Italy.
2. Department of Neurology, University Hospital Sveti Duh, Zagreb, Croatia.
3. Department of Neurology, University Hospital Basel and University of Basel, Switzerland.
4. Department of Neurology, University of Toulouse, Toulouse, France.
5. Department of Neurology, Polyclinic Glavic, Zagreb and School of Medicine J.J. Strossmayer University, Osijek, Croatia.
6. Department of Neurology, Reggio Emilia Hospital, Reggio Emilia, Italy.