Funding for this research was provided by:
Ødegaard and Frimann-Dahl´s
Received: 28 February 2022
Revised: 14 April 2022
Accepted: 25 April 2022
First Online: 12 May 2022
: The scientific guarantor of this publication is Peter M. Lauritzen.
: 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.
: One of the authors has significant statistical expertise.
: Written informed consent was obtained from all subjects (patients) in this study.
: This study was approved by The Norwegian Regional Committee (REK) for medical and health research ethics (ref 2016/1478/REK Sør-Øst) and the Akershus University Hospital data protection officer (ref. 16_197).
: • prospective• diagnostic/experimental• performed at one institution