1 Università degli Studi eCampus, Facoltà di Psicologia, Novedrate, Italy.
2 Neurology, Public Health and Disability Unit, Neurological Institute "C. Besta" IRCCS Foundation, Milan, Italy.
3 Headache and Neuroalgology Unit, Neurological Institute "C. Besta" IRCCS Foundation, Via Celoria 11, 20133, Milan, Italy.
4 Clinica di Neurologia, Università Politecnica delle Marche, Ancona, Italy.
5 IRCCS Istituto delle Scienze Neurologiche, AUSL di Bologna, Bologna, Italy.
6 DIBINEM - Alma Mater Studiorum, Università di Bologna, Bologna, Italy.
7 Headache Center, Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
8 Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences, IRCCS San Raffaele Pisana, Rome, Italy.
9 Neurology Unit, Headache Center, Osp. L. Sacco University of Milan, Milan, Italy.
10 Neurological and Stroke Unit Department, Headache Center, ASST Santi Paolo e Carlo San Carlo Borromeo Hospital, Milan, Italy.
11 Headache Center, Institute of Neurology, Magna Graecia University of Catanzaro, Catanzaro, Italy.
12 Headache and Neuroalgology Unit, Neurological Institute "C. Besta" IRCCS Foundation, Via Celoria 11, 20133, Milan, Italy. [email protected].