Digital Features
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Acknowledgements

Funding
No funding or sponsorship was received for this study or publication of this article. The Rapid Service Fee was funded by the authors.

Authorship
All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.

Authorship Contributions
Kendrick Co Shih, Charlene Yat-Che Chau, Jonathan Cheuk-Hung Chan and Jasper Ka-Wai Wong were involved in writing and editing the manuscript. Jimmy Shiu-Ming Lai was involved in editing the manuscript and in final approval.

Disclosures
Kendrick Co Shih, Jonathan Cheuk-Hung Chan, Jasper Ka-Wai Wong, Charlene Yat-Che Chau and Jimmy Shiu-Ming Lai have nothing to disclose.

Compliance with Ethics Guidelines
This article is based on previously conducted studies and does not contain any studies with human participants or animals performed by any of the authors.