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Acknowledgement The authors acknowledge Dr Vinod Bhandari and Dr Manjushree Bhandari, Chairperson, SAIMS for their guidance of the manuscript.
Contributors PMP: clinical case, literature search, figures. PJ: literature search, writing. MJP: writing, literature search, figures.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.
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