Footnotes

• Correction notice This article has been corrected since publication. Reader feedback post-publication identified factual inaccuracies in the cases described and typographical errors. The Editor-in-chief (EIC) has reviewed the article and associated references. The errors did not substantially affect the discussion section or conclusions of the article. The errors spotted by the reader, together with others identified by the EIC, have been amended. We thank the reader for bringing this to our attention and the authors for their cooperation. The errors appear to have arisen from difficulties understanding and writing in English. For further details on the correct text, please see supplemental file 1.

• Contributors FB conceived of the presented idea. CGN and FB did the research and drafted the manuscript. LT and FB revised it. All authors listed contributed to the final 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.

• Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.