Dale, Maria T. Grønning
Magnus, Per
Leirgul, Elisabeth
Holmstrøm, Henrik
Gjessing, Håkon K.
Brodwall, Kristoffer
Haugen, Margaretha
Stoltenberg, Camilla
Øyen, Nina
Funding for this research was provided by:
Research Council of Norway, Centers of Excellence funding scheme (262700)
Oak Fundation (Unrestricted grant)
Research Council of Norway (190858/V50)
Western Norway Regional Health Authorities (911734)
Article History
Received: 14 February 2018
Accepted: 5 January 2019
First Online: 19 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest
: Written informed consent was obtained from all participating women, and the study has been approved by the Regional Committee for Ethics in Medical Research and the Data Inspectorate.