1. Magnetic Resonance Center (CERM), University of Florence, 50019 Sesto Fiorentino, Italy
2. Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy
3. Consorzio Interuniversitario Risonanze Magnetiche Metallo Proteine (CIRMMP), 50019 Sesto Fiorentino, Italy
4. DIMES − Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, 40126 Bologna, Italy