1. Department of Pharmacy; University of Naples “Federico II”; via D. Montesano 49 80131 Naples Italy
2. Department of Pharmacy; University of Salerno; 84084 Fisciano Italy
3. Department of Pharmacology; Menarini Ricerche; via Rismondo 12A 50131 Florence Italy
4. Centro Interuniversitario di Ricerca sui Peptidi Bioattivi (CIRPEB); University of Naples “Federico II” and DFM-Scarl; Institute of Biostructures and Bioimaging-CNR; Via Mezzocannone 16 80134 Naples Italy