1. Department of Life Science, University of Modena and Reggio Emilia, Modena, Italy
2. School of Pharmacology and Clinical Toxicology, University of Modena and Reggio Emilia, Modena, Italy
3. Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
4. Unit of Medical Toxicology, Headache Centre and Drug Abuse; Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy