1. Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Via G. Campi 103, I-41125 Modena, Italy
2. Institute of Chemistry for Health and Life Sciences, Chimie Paristech-CNRS, PSL University, 11 rue Pierre et Marie Curie, F-75231 Paris Cedex 05, France
3. Institut Universitaire de France, 103 Blvd. Saint-Michel, F-75005 Paris, France