Health care professionals` experiences with the implementation of The Coordination Reform at a University Hospital in Norway. A qualitative study by Aslak Steinsbekk, Kristin Jøraandstad, Erling Tronvik

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The impact of topiramate, botulinum toxin type A, and CGRP-antibodies on medication overuse headache in patients with chronic migraine: A protocol for systematic review and meta-an... by Samita Giri, Erling Tronvik, Mattias Linde, Knut Hagen

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An open-label observational study and meta-analysis of non-invasive vagus nerve stimulation in medically refractory chronic cluster headache by Lucy Simmonds, Susie Lagrata, Anker Stubberud, Anker Stubberud, Sanjay Cheema, Erling Tronvik, Erling Tronvik, Manjit Matharu, Manjit Matharu, Salwa Kamourieh

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R1352Q CACNA1A Variant in a Patient with Sporadic Hemiplegic Migraine, Ataxia, Seizures and Cerebral Oedema: A Case Report by Anker Stubberud, Emer O’Connor, Erling Tronvik, Henry Houlden, Manjit Matharu

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Is there a causal relationship between stress and migraine? Current evidence and implications for management by Anker Stubberud, Dawn C. Buse, Espen Saxhaug Kristoffersen, Mattias Linde, Erling Tronvik

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Phenotype of new daily persistent headache: subtypes and comparison to transformed chronic daily headache by Sanjay Cheema, Anker Stubberud, Khadija Rantell, Parashkev Nachev, Erling Tronvik, Manjit Matharu

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The HUNT4 study: the validity of questionnaire-based diagnoses by Knut Hagen, Anders Nikolai Åsberg, Benjamin L. Uhlig, Erling Tronvik, Eiliv Brenner, Trond Sand

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Measurement and implications of the distance between the sphenopalatine ganglion and nasal mucosa: a neuroimaging study by Joan Crespi, Daniel Bratbak, David Dodick, Manjit Matharu, Kent Are Jamtøy, Irina Aschehoug, Erling Tronvik

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A Biofeedback App for Migraine: Development and Usability Study by Sigrid Hegna Ingvaldsen, Erling Tronvik, Eiliv Brenner, Ingunn Winnberg, Alexander Olsen, Gøril Bruvik Gravdahl, Anker Stubberud

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Anatomical landmarks for localizing the otic ganglion: A possible new treatment target for headache disorders by Joan Crespi, Daniel Bratbak, David W. Dodick, Manjit S. Matharu, Miriam Senger, Doychin N. Angelov, Erling Tronvik

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The crossover design for migraine preventives: an analyses of four randomized placebo-controlled trials by Astrid Bjørke Jenssen, Lars Jacob Stovner, Erling Tronvik, Trond Sand, Grethe Helde, Gøril Bruvik Gravdahl, Knut Hagen

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Epidemiology of diagnosed cluster headache in Norway by Joan Crespi, Sasha Gulati, Øyvind Salvesen, Daniel Fossum Bratbak, David W Dodick, Manjit Singh Matharu, Erling Tronvik

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Self‐administered biofeedback treatment app for pediatric migraine: A randomized pilot study by Anker Stubberud, Mattias Linde, Eiliv Brenner, Martin Heier, Alexander Olsen, Anne Hege Aamodt, Gøril B. Gravdahl, Erling Tronvik

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Current treatment options for cluster headache: limitations and the unmet need for better and specific treatments—a consensus article by Nunu Laura Timotheussen Lund, Anja Sofie Petersen, Rolf Fronczek, Jacob Tfelt-Hansen, Andrea Carmine Belin, Tore Meisingset, Erling Tronvik, Anna Steinberg, Charly Gaul, Rigmor Højland Jensen

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Frequency and predictors of headache in the first 12 months after traumatic brain injury: results from CENTER-TBI by Emilie Isager Howe, Nada Andelic, Cathrine Brunborg, Marina Zeldovich, Eirik Helseth, Toril Skandsen, Alexander Olsen, Silje C. R. Fure, Alice Theadom, Katrin Rauen, Benedikte Å. Madsen, Bram Jacobs, Joukje van der Naalt, Maria Carmela Tartaglia, Cathrine Elisabeth Einarsen, Gøril Storvig, Erling Tronvik, Cathrine Tverdal, Nicole von Steinbüchel, Cecilie Røe, Torgeir Hellstrøm, CENTER-TBI Participants and Investigators

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