1. Department of Life Sciences and Biotechnology, Master Course in Cosmetic Science and Technologies; University of Ferrara; via L. Borsari 46 44121 Ferrara Italy
2. Department of Chemical and Pharmaceutical Sciences; University of Ferrara; via F. di Mortara 17-19 44121 Ferrara Italy
3. Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy; Katholieke Universiteit Leuven; Leuven 3000 Belgium