Transparency
Declaration of funding
No funding was received to produce this article.
Declaration of financial/other relationships
The author has no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
Acknowledgements
None stated.
Reviewer disclosures
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.