[1] Italian Natl Res Council, Inst Neurosci, Florence, Italy
[2] Univ Florence, Dept NEUROFARBA, Florence, Italy
[3] Hosp Hosp Sociosanitari Pere Virgili, Dept Salut, Barcellona E, Spain
[4] Univ Bari Aldo Moro, Dept Interdisciplinary Med, Bari, Italy
[5] Univ Bari Aldo Moro, Dept Basic Med Neurosci & Sense Organs, Bari, Italy
[6] Ist Super Sanita, Natl Ctr Epidemiol Surveillance & Hlth Promot, Viale Regina Elena 299, I-00161 Rome, Italy