Wang, Katherine https://orcid.org/0000-0003-2209-4549
Eftang, Cathrine N. https://orcid.org/0000-0002-1114-0100
Ulstein, Svend https://orcid.org/0000-0002-5212-8706
Årøen, Asbjørn https://orcid.org/0000-0003-3095-3155
Jakobsen, Rune B. https://orcid.org/0000-0003-3566-9516
Funding for this research was provided by:
University of Oslo
Article History
Received: 31 March 2021
Accepted: 27 September 2021
First Online: 9 October 2021
Declarations
:
: The authors declare no conflict of interest.
: The study was approved by the Regional Ethical Committee of South-Eastern Norway (ref. 2013/180).
: Informed consent was obtained from each participant prior to enrolment in this study.