[1] Neurol Inst C Besta IRCCS Fdn, Neurol Publ Hlth & Disabil Unit, Via Celoria 11, I-20133 Milan, Italy
[2] Neurol Inst C Besta IRCCS Fdn, Headache & Neuroalgol Unit, Milan, Italy
[3] Neurol Inst C Besta IRCCS Fdn, Neuroradiol Unit, Milan, Italy
[4] Capitanio Hosp, Italian Auxol Inst, Neuroophthalmol Unit, Sci Inst, Milan, Italy