Guarantor

The scientific guarantor of this publication is Marco Francone.

Conflict of interest

Marco Francone is a member of the European Radiology Scientific Editorial Board and has therefore not taken parti in review or selection process of this article. 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.

Statistics and biometry

No complex statistical methods were necessary for this paper.

Informed consent

Written informed consent was not required.

Ethical approval

Institutional Review Board approval was not required.

Study subjects or cohorts overlap

Not applicable.

Methodology

• Invited commentary