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Contributors CD: conceived the need to write this case, completed the literature review and drafted the report. WH and JM: completed the critical revision of the report. Final approval of the version to be published was given by JR.
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.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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