1. Department of Chemistry and Industrial Chemistry University of Pisa, UdR INSTM Pisa Pisa Italy
2. Enrico Giotti SpA (a subsidiary of McCormick & Company, Inc.) Via Pisana 592, Scandicci Firenze Italy
3. Officina Profumo Farmaceutica Santa Maria Novella SpA Via R. Giuliani 141 Firenze Italy