Perrotta Armando, Anastasio Maria Grazia, Coppola Gianluca, Ambrosini Anna, De Icco Roberto, Sandrini Giorgio, Pierelli Francesco
Headache Clinic, IRCCS INM Neuromed, Pozzilli, Italy.
Department of Medical and Surgical Sciences and Biotechnologies, "Sapienza" University of Rome Polo Pontino, Rome, Italy.
J Headache Pain. 2015 Dec;16(Suppl 1):A91. doi: 10.1186/1129-2377-16-S1-A91.