1. Department of Pharmaceutical Sciences “DISFARM”, Università degli Studi di Milano, via Mangiagalli 25, I-20133 Milan, Italy
2. Department of Pharmaceutical Sciences “NEUROFARBA”, University of Florence, via Ugo Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
3. Department of Physics, Citt. Universitaria, University of Cagliari, I-09042 Cagliari, Monserrato, Italy
4. Department of Pharmacology and Toxicology “NEUROFARBA”, University of Florence, Viale Pieraccini 6, 50134 Florence, Italy