Received: 30 April 2018
Accepted: 13 June 2018
First Online: 29 June 2018
Ethics approval and consent to participate
: This study was determined by the University of Iowa Institutional Review Board to not meet the regulatory definition of human subjects research.
: Not applicable.
: VS has received honoraria from Medtronic and is PI on studies for which the University of Iowa received grant money from Medtronic and RF Surgical.For the remaining authors, none were declared.
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