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Twitter @hhonghealth, @ShannonWestin
Contributors The authors confirm contribution to the submission as follows: draft preparation: HH; draft review: HH, DG, SNW; photo: DG. All authors reviewed and approved the final version of 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.
Provenance and peer review Not commissioned; externally peer reviewed.