Subdiagnosis, but not presence of vestibular symptoms, predicts balance impairment in migraine patients: a cross sectional study - Zorzin, Letícia; Carvalho, Gabriela Ferreira; Kreitewolf, Jens; Teggi, Roberto; Pinheiro, Carina Ferreira; Moreira, Jessica Rodrigues; Dach, Fabiola; Bevilaqua-Grossi, Débora (The Journal of Headache and Pain, 2020)