Footnotes

• Twitter @DrSamStraw

• Contributors All authors have contributed equally to the manuscript, and both have reviewed the contents prior to 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 SS has nothing to declare. WM has received research grants from Novartis, Vifor, Medtronic, Biotronik, Abbott and Boston Scientific. KKW has received speaker’s fees and honoraria from Medtronic and Abbott, and unconditional research grants from Medtronic.

• Provenance and peer review Commissioned; externally peer reviewed.