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MCT-A and JCRG are joint first authors.
MCT-A and JCRG contributed equally.
Contributors JCRG raised the subject of revision, contributed to the writing of the article and made its final revision. MCTA carried out the systematic search of articles, their revision and writing of the text.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Commissioned; externally peer reviewed.