Supplemental material for Pre- and postoperative headache in patients with meningioma GuentherFranziska SwozilFerdinand HeberStefan BuchfelderMichael MesslingerKarl FischerMichael JM 2018 <p>Supplemental material for Pre- and postoperative headache in patients with meningioma by Franziska Guenther, Ferdinand Swozil, Stefan Heber, Michael Buchfelder, Karl Messlinger and Michael JM Fischer in Cephalalgia</p>