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Article History

Received: 13 August 2020

Accepted: 14 October 2020

First Online: 6 November 2020

Compliance with ethical standards

:

: The scientific guarantor of this publication is Louis Boyer, Pôle Interhospitalier d’Imagerie Diagnostique et de Radiologie Interventionnelle.

: 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.

: Written informed consent was not required for this study because of its retrospective character and the analysis being based only on data acquired during clinical routine.

: Institutional Review Board approval was not required because this is a retrospective study and all data are anonymized. Thereby, no ethical approval is required.

: • retrospective• cross-sectional study• performed at one institution