Footnotes

• Contributors The patient was medically managed AR. UA collected the data and formulated the manuscript. Both the authors have contributed to the editing of the final 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.

• Patient consent for publication Not required.

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