Affiliations: Clinical and Preclinical Pharmacology Department, University of Florence Mass Spectrometry, Clinical Chemistry and Pharmacology Labs, Meyer Children Hospital, Florence, Italy
Note: [] Correspondence to: Giancarlo la Marca, Dept of Neurosciences, Psychology, Pharmacology and Child Health, University of Florence, Viale Pieraccini 6, 50139 Florence, Italy, Tel.: +39 055 5662988; Fax: +39 055 5662489. E-mail: g.lamarca@meyer.it; giancarlo.lamarca@unifi.it