1. Outcome measures for assessing the effectiveness of non-pharmacological interventions in frequent episodic or chronic migraine: a Delphi study. Issue 2 (12th February 2020) Authors: Luedtke, Kerstin; Basener, Annika; Bedei, Stephanie; Castien, Rene; Chaibi, Aleksander; Falla, Deborah; Fernández-de-las-Peñas, Cesar; Gustafsson, Mirja; Hall, Toby; Jull, Gwen; Kropp, Peter; Madsen, Bjarne K; Schaefer, Benjamin; Seng, Elizabeth; Steen, Claudia; Tuchin, Peter; von Piekartz, Harry... Journal: BMJ open Issue: Volume 10:Issue 2(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗