[1] GB Bietti Fdn IRCCS, Dept Neurophysiol Vis & Neurophthalmol, Rome, Italy
[2] Univ Roma La Sapienza, Dept Neurol & Psychiat, Neuroradiol Sect, I-00185 Rome, Italy
[3] Univ Roma La Sapienza, Dept Med Surg Sci & Biotechnol, Neurol Sect, I-00185 Rome, Italy
[4] Don Carlo Gnocchi Onlus Fdn, Dept Neurol, Milan, Italy
[5] Univ Roma Tor Vergata, Dept Syst Med, Lab Psychophysiol Psychiat Clin, Rome, Italy
[6] Sapienza Univ Rome Polo Pontino, Dept Med Surg Sci & Biotechnol, Latina, Italy
[7] Univ Liege, Dept Neurol, CHR Citadelle, Headache Res Unit, Liege, Belgium