Tellum, Tina http://orcid.org/0000-0003-2635-4504
Matic, Gordana V.
Dormagen, Johann B.
Nygaard, Staale
Viktil, Ellen
Qvigstad, Erik
Lieng, Marit
Funding for this research was provided by:
Norske Kvinners Sanitetsforening (NKS14901)
Article History
Received: 12 October 2018
Revised: 5 May 2019
Accepted: 5 June 2019
First Online: 1 July 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Prof. Marit Lieng.
: 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.
: Staale Nygaard kindly provided statistical advice for this manuscript. Also, several of the authors have significant statistical expertise. However, no complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects in this study.
: Institutional Review Board approval was obtained.
: Ultrasound examination was performed on the whole study cohort; the results are reported elsewhere [CitationRef removed]. The data reported in this article have no overlap with previously published work.
: • Prospective• Diagnostic or prognostic study• Performed at one institution