Financial & competing interests disclosure
Anne B Curtis is a consultant, has received research grants and/or is on the speakers’ bureau for Medtronic Inc., St Jude Medical, Biotronik, Sanofi Aventis and Biosense Webster. The authors have no other 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 apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.