Declaration of interest
The authors have 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.
Reviewer disclosures
One peer review reports personal fees and speaker, advisor fees from Medtronic, Abbott and Boston Scientific. Peer reviewers on this manuscript have no other relevant financial relationships or otherwise to disclose.