1. Headache Classification Committee of the International Headache Society . The International Classification of Headache Disorders, 3rd edition. Cephalalgia 2018; 38: 1–211.
Google Scholar | SAGE Journals2. Faux, S, Sheedy, J. A prospective controlled study in the prevalence of posttraumatic headache following mild traumatic brain injury. Pain Med 2008; 9: 1001–1011.
Google Scholar | Crossref | Medline | ISI3. Voormolen, DC, Haagsma, JA, Polinder, S, et al. Post-concussion symptoms in complicated vs. uncomplicated mild traumatic brain injury patients at three and six months post-injury: Results from the CENTER-TBI Study. J Clin Med 2019; 8: 1–14.
Google Scholar | Crossref | Medline4. Ashina, H, Iljazi, A, Al-Khazali, HM, et al. Persistent post-traumatic headache attributed to mild traumatic brain injury: Deep phenotyping and treatment patterns. Cephalalgia 2020; 40: 554–564.
Google Scholar | SAGE Journals | ISI5. Howard, L, Dumkrieger, G, Chong, CD, et al. Symptoms of autonomic dysfunction among those with persistent posttraumatic headache attributed to mild traumatic brain injury: A comparison to migraine and healthy controls. Headache 2018; 58: 1397–1407.
Google Scholar | Crossref | Medline6. Tepper, SJ, Lowe, MJ, Beall, E, et al. Iron deposition in pain-regulatory nuclei in episodic migraine and chronic daily headache by MRI. Headache 2012; 52: 236–243.
Google Scholar | Crossref | Medline | ISI7. Kruit, MC, Launer, LJ, Overbosch, J, et al. Iron accumulation in deep brain nuclei in migraine: A population-based magnetic resonance imaging study. Cephalalgia 2009; 29: 351–359.
Google Scholar | SAGE Journals | ISI8. Palm-Meinders, IH, Koppen, H, Terwindt, GM, et al. Iron in deep brain nuclei in migraine? CAMERA follow-up MRI findings. Cephalalgia 2017; 37: 795–800.
Google Scholar | SAGE Journals | ISI9. Granziera, C, Daducci, A, Romascano, D, et al. Structural abnormalities in the thalamus of migraineurs with aura: A multiparametric study at 3 T. Hum Brain Mapp 2014; 35: 1461–1468.
Google Scholar | Crossref | Medline10. Gossuin, Y, Muller, RN, Gillis, P. Relaxation induced by ferritin: A better understanding for an improved MRI iron quantification. NMR Biomed 2004; 17: 427–432.
Google Scholar | Crossref | Medline11. Schenck, JF. Imaging of brain iron by magnetic resonance: T2 relaxation at different field strengths. J Neurol Sci 1995; 134: 10–18.
Google Scholar | Crossref | Medline12. Yao, B, Li, TQ, Gelderen, P, et al. Susceptibility contrast in high field MRI of human brain as a function of tissue iron content. Neuroimage 2009; 44: 1259–1266.
Google Scholar | Crossref | Medline | ISI13. Daugherty, AM, Haacke, EM, Raz, N. Striatal iron content predicts its shrinkage and changes in verbal working memory after two years in healthy adults. J Neurosci 2015; 35: 6731–6743.
Google Scholar | Crossref | Medline14. Daugherty, AM, Raz, N. Appraising the role of iron in brain aging and cognition: Promises and limitations of MRI methods. Neuropsychol Rev 2015; 25: 272–287.
Google Scholar | Crossref | Medline15. Ulla, M, Bonny, JM, Ouchchane, L, et al. Is R2* a new MRI biomarker for the progression of Parkinson’s disease? A longitudinal follow-up. PLoS One 2013; 8: e57904.
Google Scholar | Crossref | Medline16. Corrigan, JD, Bogner, J. Initial reliability and validity of the Ohio State University TBI identification method. J Head Trauma Rehabil 2007; 22: 318–329.
Google Scholar | Crossref | Medline | ISI17. Lamm, C, Decety, J, Singer, T. Meta-analytic evidence for common and distinct neural networks associated with directly experienced pain and empathy for pain. Neuroimage 2011; 54: 2492–2502.
Google Scholar | Crossref | Medline | ISI18. Schwedt, TJ, Chong, CD, Peplinski, J, et al. Persistent post-traumatic headache vs. migraine: An MRI study demonstrating differences in brain structure. J Headache Pain 2017; 18: 87.
Google Scholar | Crossref | Medline19. Ferraro, S, Grazzi, L, Mandelli, ML, et al. Pain processing in medication overuse headache: A functional magnetic resonance imaging (fMRI) study. Pain Med 2012; 13: 255–262.
Google Scholar | Crossref | Medline | ISI20. Burrowes, SAB, Rhodes, CS, Meeker, TJ, et al. Decreased grey matter volume in mTBI patients with post-traumatic headache compared to headache-free mTBI patients and healthy controls: a longitudinal MRI study. Brain Imaging Behav 2020; 14: 1651–1659.
Google Scholar | Crossref | Medline21. Mayer, AR, Toulouse, T, Klimaj, S, et al. Investigating the properties of the hemodynamic response function after mild traumatic brain injury. J Neurotrauma 2014; 31: 189–197.
Google Scholar | Crossref | Medline22. Widerstrom-Noga, E, Govind, V, Adcock, JP, et al. Subacute pain after traumatic brain injury is associated with lower insular N-acetylaspartate concentrations. J Neurotrauma 2016; 33: 1380–1389.
Google Scholar | Crossref | Medline23. Chong, CD, Plasencia, JD, Frakes, DH, et al. Structural alterations of the brainstem in migraine. Neuroimage Clin 2017; 13: 223–227.
Google Scholar | Crossref | Medline24. Vila-Pueyo, M, Hoffmann, J, Romero-Reyes, M, et al. Brain structure and function related to headache: Brainstem structure and function in headache. Cephalalgia 2019; 39: 1635–1660.
Google Scholar | SAGE Journals | ISI25. Bahra, A, Matharu, MS, Buchel, C, et al. Brainstem activation specific to migraine headache. Lancet 2001; 357: 1016–1017.
Google Scholar | Crossref | Medline | ISI26. Cao, Y, Aurora, SK, Nagesh, V, et al. Functional MRI-BOLD of brainstem structures during visually triggered migraine. Neurology 2002; 59: 72–78.
Google Scholar | Crossref | Medline | ISI27. Schulte, LH, May, A. The migraine generator revisited: Continuous scanning of the migraine cycle over 30 days and three spontaneous attacks. Brain 2016; 139: 1987–1993.
Google Scholar | Crossref | Medline | ISI28. Schulte, LH, Menz, MM, Haaker, J, et al. The migraineur’s brain networks: Continuous resting state fMRI over 30 days. Cephalalgia 2020; 40: 1614–1621.
Google Scholar | SAGE Journals | ISI29. May, A. Pearls and pitfalls: Neuroimaging in headache. Cephalalgia 2013; 33: 554–565.
Google Scholar | SAGE Journals | ISI30. Borsook, D, Burstein, R. The enigma of the dorsolateral pons as a migraine generator. Cephalalgia 2012; 32: 803–812.
Google Scholar | SAGE Journals | ISI31. Tortorella, P, Rocca, MA, Colombo, B, et al. Assessment of MRI abnormalities of the brainstem from patients with migraine and multiple sclerosis. J Neurol Sci 2006; 244: 137–141.
Google Scholar | Crossref | Medline | ISI32. Younis, S, Christensen, CE, Vestergaard, MB, et al. Glutamate levels and perfusion in pons during migraine attacks: A 3T MRI study using proton spectroscopy and arterial spin labeling. J Cereb Blood Flow Metab 2021; 41: 604–616.
Google Scholar | SAGE Journals | ISI33. Younis, S, Hougaard, A, Vestergaard, MB, et al. Migraine and magnetic resonance spectroscopy: A systematic review. Curr Opin Neurol 2017; 30: 246–262.
Google Scholar | Crossref | Medline34. Karsan, N, Bose, P, Goadsby, PJ. The migraine premonitory phase. Continuum (Minneap Minn) 2018; 24: 996–1008.
Google Scholar | Medline35. Sydnor, VJ, Bouix, S, Pasternak, O, et al. Mild traumatic brain injury impacts associations between limbic system microstructure and post-traumatic stress disorder symptomatology. Neuroimage Clin 2020; 26: 1–12.
Google Scholar | Crossref | Medline36. Perneger, TV. What’s wrong with Bonferroni adjustments. BMJ 1998; 316: 1236–1238.
Google Scholar | Crossref | Medline