1. BiochemistrySchool of MedicineUniversity of Catania95125Catania
2. PharmacologySchool of MedicineUniversity of Catania95125Catania
3. Institute of Respiratory DiseaseOspedale Tomaselli95125CataniaItaly
4. Consorzio Mario Negri Sud66030S. Maria ImbaroChietiItaly
5. Department Internal Medicine and Medical TherapyUniversity of Pavia27100PaviaItaly
6. Department of Pharmaceutical SciencesSchool of PharmacyUniversity of Catania95125Catania
7. I. N. M. NeuromedLocalita’Camerelle86077PozzilliIserniaItaly