?:authorAffiliation
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[\'Headache Unit, Department of Neurology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain.\', \'Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.\', \'Imaging Processing Laboratory, Universidad de Valladolid, Valladolid, Spain.\', \'Department of Internal Medicine, Hospital Clínico Universitario de Valladolid, Valladolid, Spain.\', \'Department of Medicine, School of Medicine, Universidad de Valladolid, Valladolid, Spain.\']
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