Footnotes

• HDM and YVV are joint first authors.

• Contributors HDM and YVV carried out the project and wrote the original article. RK was also involved in conducting the project and acted as editor for the article. ST came up with the original idea of the project, brought together the team and conducted the project.

• 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 A team of authors in Oxford are attempting to pursue a similar adaptation to help with the aforementioned personal protective equipment (PPE) shortages. They have been performing the necessary fit testing and have submitted an option to an independent notification body for the necessary extensive testing in order to be certified as PPE and cleared for safe clinical use. The authors do not recommend its use prior to getting said certifications and write this correspondence purely for informative purposes.

• Provenance and peer review Not commissioned; externally peer reviewed.