1. Department of Drug SciencesUniversity of Catania V.le A. Doria 95125 Catania Italy
2. Villa Beretta Rehabilitation CenterValduce Hospital 23845 Costa Masnaga, Lecco Italy
3. Spasticity and Movement Disorders “ReSTaRt” Unit, Physical Medicine and Rehabilitation Section, OORR HospitalUniversity of Foggia 71122 Foggia Italy
4. Consorzio Interuniversitario Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (C.I.N.M.P.S.) Via E. Orabona, 4 70125 Bari Italy
5. Department of Biomedical and Biotechnological Sciences, Section of PharmacologyUniversity of Catania Via S. Sofia 67 95123 Catania Italy