1 Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences, ASST Fatebenefratelli-Sacco, Luigi Sacco University Hospital, Università di Milano, Milan, Italy.
2 General Practitioner, Territorial Health Service of Varese, Varese, Italy.
3 Pharmaceutical Service, Territorial Health Service of Insubria, Varese, Italy.
4 Scientific Institute IRCCS E.Medea, Bosisio Parini, Italy and Clinical Pharmacology Unit, CNR Institute of Neuroscience, Department of Biomedical and Clinical Sciences, L. Sacco University Hospital, Università di Milano, via G.B. Grassi, 74, I20157 Milan, Italy.