Footnotes

• Contributors LWB, PKDH and BRN conceived the idea of the case report. Patient was under the care of PKDH. Case report was written by LWB and critically revised by PKDH, PS and BRN. All authors read and approved the final version of the manuscript.

• 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; externally peer reviewed.