1. Department of Chemistry Biology and Biotechnologies; University of Perugia; Via Elce di Sotto, 8 06123 Perugia Italy
2. Vis Medicatrix Naturae S.r.l.; 50034 Marradi (FI) Italy
3. Department of Civil and Environmental Engineering; University of Perugia; Via G. Duranti 93 06125 Perugia Italy