Article History
Received: 23 October 2017
Revised: 6 December 2017
Accepted: 8 December 2017
First Online: 18 January 2018
Compliance with ethical standards
: There was no funding for this manuscript. Dr. Michael Halkos is a consultant for Medtronic but no funds were received by any of the authors for this review and as such, there are no conflicts of interest. The review details a technique, and no patient-specific details are mentioned and as a result, formal ethical approval was not required.