| Affiliation: | 1. Headache and Pain Unit, IRCCS San Raffaele Pisana, Rome, Italy;2. IRCCS Istituto delle Scienze Neurologiche, Bologna, Italy;3. Neurology Unit, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy;4. Headache Center, ASST Santi Paolo Carlo, Milan, Italy;5. Center for Headache and Intracranial Pressure Disorders, Neurology Unit, A.O.U. Mater Domini, Catanzaro, Italy;6. Neuroalgology Unit, Headache Center Fondazione IRCCS Istituto Neurologico “Carlo Besta”, Milan, Italy;7. San Giovanni Addolorata Hospital, Rome, Italy;8. San Filippo Neri Hospital, Rome, Italy;9. Headache and Neurosonology Unit, Policlinico Universitario Campus Bio-Medico, Rome, Italy |
