1. PhotoChemLab, Department of Drug and Health Sciences, University of Catania, I-95125 Catania, Italy
2. Department of Pharmacy, University of Napoli Federico II, I-80131 Napoli, Italy
3. Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Arcavacata di Rende I-87036, Italy
4. Institut de Ciència Molecular, Universitat de València, 46071 València, Spain