Footnotes

• Contributors RHT and NJPT contributed equally to the writing of this Editorial.

• 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 RHT has received honoraria and meeting support from Bilal, Eisai, GW Pharma, LivaNova, Sanofi, UCB Pharma and Zogenix.

• Patient consent for publication Not required.

• Provenance and peer review Commissioned; externally peer reviewed by Simon Hammans, Southampton, UK.