Acknowledgements
The author would like to thank Dr Dermot P Maher, a senior resident at Cedars Sinai Medical Center in Los Angeles (CA, USA) for his assistance in organizing the references used in this editorial.
Financial & competing interests disclosure
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.
No writing assistance was utilized in the production of this manuscript.