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Article History

Received: 3 March 2020

Accepted: 10 April 2020

First Online: 4 May 2020

Compliance with ethical standards

:

: The scientific guarantor of this publication is Frédéric Clarençon.

: 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 the analyses of patients’ records and imaging data were only retrospective.

: Institutional review board approval was not required because the analyses of patients’ records and imaging data were only retrospective.

: Some study subjects or cohorts have been previously reported in the study of Premat et al [CitationRef removed].

: • retrospective• experimental• performed at one institution