Document is current

Article History

Accepted: 27 October 2021

First Online: 2 November 2021

Declarations

:

: • The author has no relevant financial or non-financial interests to disclose.• The author has no conflicts of interest to declare that are relevant to the content of this article.• The author certifies that he has no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.• The author has no financial or proprietary interests in any material discussed in this article.

: • This is an observational study. Georgetown University has confirmed that no ethical approval is required.

: • This study did not involve human participants, animals, or their data or biological material, and as such, consent was not required.

: • This study did not involve human participants, animals, or their data or biological material, and as such, consent was not required.