[1] Univ Florence, Dept Neurosci Psychol Drug Res & Child Hlth, Viale Pieraccini 6, I-50139 Florence, Italy
[2] Univ Florence, Nucl Med Unit, Dept Biomed Expt & Clin Sci Mario Serio, Florence, Italy
[3] IRCCS Don Gnocchi, Florence, Italy
[4] AOU Careggi, Neuroradiol Unit, Florence, Italy