Text and Data Mining valid from 2018-08-21
Received: 2 May 2018
Revised: 11 July 2018
Accepted: 27 July 2018
First Online: 21 August 2018
Compliance with Ethical Standards
: The scientific guarantor of this publication is Jin Mo Goo.
: 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 waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: Some study subjects or cohorts have been previously reported in journal articles (Eur Radiol 2016 26:4465-4474; Eur J Radiol 2016 85:1174-1180; Eur Radiol 2017 27:3266-3274; Eur Radiol 2018 28:2124-2133; Eur Radiol 2017 27:1369-1376).
: • retrospective• diagnostic or prognostic study• performed at one institution