Article History
Received: 7 May 2018
Accepted: 1 August 2018
First Online: 21 August 2018
Compliance with Ethical Standards
:
: Disclosure of potential conflicts of Interest: The corresponding author serves on the Interventional Oncology Scientific Advisory Board for Boston Scientific Corporation. The other authors have nothing to disclose.
: Retrospective analysis approved by our local institutional review board, exempted from patient informed consent. As our study is a retrospective analysis, for this type of study, formal consent is not required.