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. 2022 Aug 1;14(8):529. doi: 10.3390/toxins14080529

Table 10.

Inclusion and exclusion criteria.

Inclusion Criteria Exclusion Criteria

  • Patients suffering from chronic migraine, according to the International Headache Society (IHS, version 1-2-3-3b) criteria, of any age, ethnicity and gender;

  • Clinical history of failure of previous treatments against migraine;

  • No filters about study duration or follow-up;

  • No restrictions concerned with publication date.

  • In vitro and in vivo animal studies, narrative or systematic reviews and meta-analysis, abstracts and congress communications, proceedings, editorials and book chapters;

  • Studies not available in full text;

  • Studies not published in English.