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Contributors Patient’s consent: YMH; literature review: YMH and MA; writing of the article draft: YMH and MA; writing, review and editing: YMH, MA and SN; supervision: SN; guarantor: SN. All authors contributed to the review of the draft and approved the submission.
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.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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