Is the presence of neck pain associated with more severe clinical presentation in patients with migraine?: a cross-sectional study - Bragatto, Marcela Mendes; Bevilaqua-Grossi, Débora; Benatto, Mariana Tedeschi; Lodovichi, Samuel Straceri; Pinheiro, Carina Ferreira; Carvalho, Gabriela Ferreira; Dach, Fabiola; Fernández-de-las-Peñas, César; Florencio, Lidiane Lima (Cephalalgia, 2019)