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Article History

First Online: 19 June 2020

Compliance with Ethical Standards

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: Omaima Ali and Alexander G. Hajduczok declare that they have no conflict of interest. John P. Boehmer reports grants and personal fees from Boston Scientific Corp, personal fees from Medtronic, grants from Abbott, during the conduct of the study, and grants and personal fees from Respicardia, outside the submitted work.

: This article does not contain any studies with human or animal subjects performed by any of the authors.