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Contributors VY and GS were responsible for drafting the manuscript and subsequent revisions. SP and DD provided critical revision for intellectual content. DI is guarantor of the paper.
Competing interests None declared.
Patient consent Detail has been removed from this case description/these case descriptions to ensure anonymity. The editors and reviewers have seen the detailed information available and are satisfied that the information backs up the case the authors are making.
Provenance and peer review Not commissioned; externally peer reviewed. Reviewed by William Whiteley, Edinburgh, UK and Joshua Klein, Boston, USA.
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