1Headache and Pain Unit, IRCCS San Rafaele Pisana, Rome, Italy
2San Rafaele University, Rome, Italy
3Neurology Unit, San Giuseppe Moscati Hospital, Avellino, Italy
4Regional Referral Headache CenterNeurology Unit, University Hospital Tor Vergata, Rome, Italy
5Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
6Headache Unit, Department of Neurology, Scientifc Institute San Rafaele Hospital, Vita-Salute University, Via Olgettina, 48, Milan, Italy
7Headache Center, ASST Santi Paolo Carlo, Milan, Italy
8Headache Center, Neurlogy Unit, San Camillo-Forlanini Hospital, Rome, Italy
9Neurology Unit, IRCCS San Rafaele Scientifc Institute, Vita-Salute San Raffaele University, Milan, Italy
10Center for Headache and Intracranial Pressure Disorders, Neurology Unit, A.O.U. Mater Domini, Catanzaro, Italy
11Headache and Neurosonology Unit, Policlinico Universitario Campus Bio-Medico, Rome, Italy
12Clinical and Molecular Epidemiology, IRCCS San Rafaele, Roma, Italy
13Department of Human Sciences and Quality of Life Promotion, San Rafaele University, Rome, Italy
14Headache and Neurosonology Unit, Campus BioMedico University Hospital, Rome, Italy
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