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Contributors JC, GC and NJG contributed to the manuscript development, rationale and patient management. JC and GC created the first draft. NJG and RJ revised the manuscript. JC and NJG contributed to the final manuscript revision. RJ contributed to manuscript images and descriptions.
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 The authors declare that the research was conducted in the absence of any commercial, or financial relationships that could be construed as a potential conflict of interest.
Patient consent for publication Consent obtained directly from patient(s).
Provenance and peer review Not commissioned. Externally peer reviewed by Nick Davies, London, UK.