Footnotes

• Contributors KT conceived and designed the study, acquired the data, analysed and interpreted the data, and drafted the manuscript. FH analysed and interpreted the data, drafted the manuscript and made critical revision.

• 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.

• Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

• Competing interests None declared.

• Provenance and peer review Not commissioned; externally peer reviewed.