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Tangled up in blue (with apologies to Bob Dylan)

https://doi.org/10.1136/rapm-2021-102988

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    Footnotes

    • Contributors AB and MAR contributed to design, conduct, and reporting of the results. MAR performed data collection.

    • 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 Not commissioned; internally peer reviewed.

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