Funding

No funding was received to assist in the preparation of this article.

Conflict of interest

All authors declare they have no conflicts of interest.

Ethics approval

Not applicable.

Consent to participate

Not applicable.

Consent for publication

Not applicable.

Availability of data and material

Not applicable.

Code availability

Not applicable.

Author contributions

AP, FS, VB, and JLF conceptualized the research questions and designed the study. All authors performed the queries and assessed the appropriateness of the responses. AP performed the statistical analyses and wrote the original draft. All authors contributed to data interpretation and editing of the draft and approved the final version.