Footnotes

• Twitter Follow Yeimer Ortiz-Martinez @YeimerOrtiz

• Contributors YO-M, JDB: conception and design; data collection; analysis and manuscript writing. WA-S, FG-F and JM-A: data collection, analysis and critical revision. All authors commented on and approved the final version of the manuscript.

• Competing interests None declared.

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

• Data sharing statement The undersigned author warrants that the article is original, is not under consideration for publication by another journal and has not been previously published. I sign for and accept responsibility for releasing this material on behalf of any and all coauthors.