“Expert Consensus Document on Criteria for Assessing Disability and Invalidity in Chronic Primary Headache. From the Law to the Implementation of Diagnostic-Therapeutic Pathways: Editors: Cristina Tassorelli, Giorgio Sandrini, Cherubino Di Lorenzo, Rosa Maria Gaudio, Lara Merighi, Elena Ruiz De La Torre”. 2023. Confinia Cephalalgica 33 (1): e2023007-e2023009. https://www.confiniacephalalgica.com/site/article/view/14620.