1. Magnetic Resonance Center (CERM), University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, Italy 50019
2. Consorzio Interuniversitario Risonanze Magnetiche di Metallo Proteine (CIRMMP), Piazza San Marco 4, Florence, Italy 50121
3. Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, Florence, Italy 50100
4. Faculty of Pharmaceutical Medicine, Royal College of Physicians, London NW1 4LE, United Kingdom
5. Department of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, Italy 50019