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Contributors PM prepared the initial draft of manuscript and reviewed the literature. SM and CR reviewed the literature and were involved in patient care. LS and JY did the critical review of the manuscript and reviewed the literature and edited the final version of manuscript.
Funding The authors did not receive any 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.
Patient consent for publication Obtained.
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