García-Azorin et al. The Journal of Headache and Pain (2019) 20:14 The Journal of Headache https://doi.org/10.1186/s10194-019-0967-2 and Pain

CORRECTION Open Access Correction to: A PRISMA-compliant systematic review of the endpoints employed to evaluate symptomatic treatments for primary headaches D. García-Azorin1*, N. Yamani2,3, L. M. Messina4,5, I. Peeters6, M. A. N. Ferilli7, D. Ovchinnikov8,9, M. L. Speranza10, V. Marini10, A. Negro11, S. Benemei12, M. Barloese13,14, on behalf of the European Headache Federation School of Advanced Studies (EHF-SAS)

Correction to: J Headache Pain (2018) 19:90 https://doi.org/10.1186/s10194-018-0920-9

Following publication of the original article [1], we have been notified that the name of author five was spelled incorrectly as M. Ferrili, when the correct spelling is M.A.N. Ferilli.

Author details 1Headache Unit Department, Hospital Clínico Universitario Valladolid, Avda. Ramón y Cajal 3, 47005 Valladolid, Spain. 2Danish Headache Centre and Department of Neurology, University of , Rigshospitalet , Copenhagen, . 3Headache Department, Iranian Center of Neurological Research Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran. 4Child Neuropsychiatry School, University of Palermo, Palermo, Italy. 5U.O. Neuropsychiatry - ARNAS Civico, PO Di Cristina, Palermo, Italy. 6Neurology Department, University Hospital of Brussels, Brussels, Belgium. 7Headache Center, Bambino Gesù Children Hospital IRCCS, Rome, Italy. 8Pavlov First Saint Petersburg State Medical University, Saint Petesburg, Russia. 9Almazov National Medical Research Centre, Saint Petesburg, Russia. 10Internal Medicine Department, Sant’Andrea Hospital, Rome, Italy. 11Regional Referral Headache Centre, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University, Rome, Italy. 12Headache Centre, Careggi University Hospital, University of Florence, Florence, Italy. 13Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, , Copenhagen, Denmark. 14Department of Clinical Physiology and Nuclear Medicine, Center for Functional and Diagnostic Imaging, Hospital, Copenhagen, Denmark.

Received: 30 January 2019 Accepted: 30 January 2019

Reference 1. García-Azorin D et al (2018) A PRISMA-compliant systematic review of the endpoints employed to evaluate symptomatic treatments for primary headaches. J Headache Pain 19:90. https://doi.org/10.1186/s10194-018-0920-9

* Correspondence: [email protected] 1Headache Unit Neurology Department, Hospital Clínico Universitario Valladolid, Avda. Ramón y Cajal 3, 47005 Valladolid, Spain Full list of author information is available at the end of the article

© The Author(s). 2019 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.