1. Department of Chemistry “U. Schiff” University of Florence Via della Lastruccia 3 50019 Sesto Fiorentino Italy
2. Laboratory of Metals in Medicine (MetMed), Department of Chemistry “U. Schiff” University of Florence Via della Lastruccia 3 50019 Sesto Fiorentino Italy
3. Department of Pharmacy University of Pisa Via Bonanno Pisano 6 56126 Pisa Italy
4. Department of Experimental and Clinical Medicine Largo Brambilla 3 50134 Florence Italy
5. Experimental and Clinical Biomedical Sciences “Mario Serio” University of Florence Viale GB Morgagni 50 50134 Florence Italy