[1] Univ Florence, Magnet Resonance Ctr CERM, Via L Sacconi 6, I-50019 Sesto Fiorentino, FI, Italy
[2] Interuniv Consortium Magnet Resonance Metalloprot, Via L Sacconi 6, I-50019 Sesto Fiorentino, FI, Italy
[3] Univ Florence, Dept Chem Ugo Schiff, Via Lastruccia 3, I-50019 Sesto Fiorentino, FI, Italy
[4] Giotto Biotech SRL, Via Madonna del Piano 6, I-50019 Sesto Fiorentino, FI, Italy