Editorial: Spotlight on resistant and refractory migraine

• Raffaele Ornello,
• Bianca Raffaelli

Affiliations

Raffaele Ornello

Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy

Bianca Raffaelli

Department of Neurology, Headache Center, Charité Universitätsmedizin Berlin, Berlin, Germany