Received: 29 October 2019
Accepted: 8 November 2019
First Online: 17 January 2020
Compliance with ethical standards
: The scientific guarantor of this publication is Lawrence Schwartz MD.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Not required (editorial)
: Institutional Review Board approval was not required because this is an editorial.
: • Editorial
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