1. Department of Chemistry Biology and Biotechnology; University of Perugia; Perugia Italy
2. Department of Physics and Geology; Istituto Officina dei Materiali del CNR (CNR-IOM) - Unità di Perugia; Perugia Italy
3. Clinic for Horses - Unit for Reproductive Medicine; University of Veterinary Medicine Hannover; Hannover Germany
4. Institute of Multiphase Processes; Leibniz Universität Hannover; Hannover Germany
5. Department of Physics and Geology; University of Perugia; Perugia Italy
6. Centro di Eccellenza sui Materiali Innovativi Nanostrutturati; University of Perugia; Perugia Italy