Footnotes

• Contributors All authors contributed to the study conception and design. PS was involved in data collection, literature review, and drafting of the manuscript. BT contributed to drafting of the manuscript and supervised the same. PK and VS managed the patient clinically. All authors read and approved 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.

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