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KA and JGH are joint senior authors.
Contributors All authors were involved in the care of the patient and contributed to the design of the manuscript. TG and JGH wrote the first draft. All authors reviewed the manuscript 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 by Bimsara Senanayake, Colombo, Sri Lanka.