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Contributors SS, JA and NP: managed the patient. SS: reviewed the literature and drafted the initial version of the manuscript. NP and JA: contributed to literature review and critically revised the manuscript. All authors contributed to drafting of the manuscript and approved the final version of the manuscript. NP will act as guarantor of the paper.
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.