1. Department of Physics and Geology, University of Perugia, Via Pascoli, 006123 Perugia, Italy
2. Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di sotto, 8, 006123 Perugia, Italy
3. Prolabin & Tefarm S.r.l., Via dell'Acciaio 9, 06134 Perugia, Italy
4. Department of Pharmaceutical Sciences, University of Perugia, Via del Liceo 1, 006123 Perugia, Italy