[1] Univ Palermo, Dipartimento Promoz Salute Maternoinfantile Med I, Piazza Clin 2, I-90127 Palermo, Italy
[2] Univ Paris Diderot, Sorbonne Paris Cite, Paris, France
[3] IRCCS, Ctr Neurolesi Bonino Pulejo, SS113, I-98124 Messina, Italy
[4] Univ Hosp Palermo, Dipartimento Biomed Neurosci & Diagnost Avanza BI, Via Vespro 129, I-90127 Palermo, Italy
[5] Univ Pittsburgh, Dept Radiol, Med Ctr, Pittsburgh, PA 15260 USA