[1] IRCCS, Pozzilli, IS, Italy
[2] IRRCS, Rome, Italy
[3] Univ La Sapienza, Dept Child Neurol & Psychiat, Rome, Italy
[4] Univ Siena, Inst Neurol Sci, I-53100 Siena, Italy
[5] IRCCSC Mondino, Ctr Expt Neurobiol Mondino Tor Vergata S Lucia, Rome, Italy
[6] Univ La Sapienza, Dept Neurol & ORL, Rome, Italy