Romskaug, Rita http://orcid.org/0000-0002-3251-6349
Wyller, Torgeir Bruun
Straand, Jørund
Kersten, Hege
Molden, Espen
Funding for this research was provided by:
Norges Forskningsråd (222033/LAB)
Article History
First Online: 29 April 2020
Compliance with Ethical Standards
: All procedures were in accordance with the ethical standards of the institutional and national research committee (the Regional Committee for Medical and Health Research Ethics in Norway) and with the 1964 Helsinki declaration and its later amendments.
: The study was funded by the Research Council of Norway (Grant number 222033/LAB).
: RR, TBW, JS, HK, and EM declare that they have no conflict of interest.
: The study was approved by the Regional Committee for Medical and Health Research Ethics (REK) in Norway and by the Data Protection Official at Oslo University Hospital.
: The datasets analyzed during the current study are not publicly available due to restrictions from the Norwegian Data Protection Officer, but are available from the corresponding author on reasonable request.