Footnotes

• Contributors Both authors contributed to the writing of the article.

• 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 JTN received honoraria from Siemens and Abbott Diagnostics. DW reports speaker fees from Bayer, Boehringer-Ingelheim, Berlin Chemie, Astra Zeneca, Biotronik and Novartis.

• Patient consent Not required.

• Provenance and peer review Commissioned; internally peer reviewed.