Footnotes

• Contributors We conducted a critical review of the original article by Schwenk et al and synthesized key points for discussion. We contributed to the interpretation of findings and provided insights into the methodological aspects discussed in the letter. All authors reviewed and approved the final version of the manuscript.

• 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.