Footnotes

• Twitter @martinmodonnell

• Contributors JK, MMO'D, SW, ÁM and SL conceptualised the paper, with JK writing the initial patient contribution and MMO'D, SW, ÁM and SL writing the treating team contribution, with all authors contributing to editing and revisions. All are acknowledged as authors of this paper. All authors approved the final draft for submission.

• 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 reviewed by Neil Scolding, Bristol, UK.