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Article History

Received: 1 February 2020

Revised: 5 March 2020

Accepted: 30 March 2020

First Online: 29 April 2020

Compliance with ethical standards

:

: The scientific guarantor of this publication is Adrian Brady.

: The author of this manuscript declares 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.

: Written informed consent was not required for this study because no individual patients or imaging studies were relevant to the paper.

: Institutional Review Board approval was not required because no individual patients or imaging studies were relevant to the paper.

: • Observational

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