A proposal for a national registry on chronic migraines

J Headache Pain. 2015 Dec;16(Suppl 1):A40. doi: 10.1186/1129-2377-16-S1-A40.

¹ National Centre of Epidemiology, National Institute of Health, Rome, Italy. [email protected].
² Department of Neurological Sciences, University of Bologna Medical School, Bologna, Italy.
³ Department of Clinical and Experimental Medicine, Headache Centre, University of Parma, Parma, Italy.
⁴ Department of Neurological Motor and Sensorial Sciences, IRCCS San Raffaele Pisana, Rome, Italy.
⁵ C. Besta Neurological Institute and Foundation, Milan, Italy.

No abstract available