Titlestad, Irit
Haugstvedt, Anne
Igland, Jannicke
Graue, Marit
Funding for this research was provided by:
Norges Forskningsråd (221065)
Article History
Received: 12 November 2017
Accepted: 22 July 2018
First Online: 7 August 2018
Ethics approval and consent to participate
: The Norwegian Centre for Research Data approved the study (Ref No: 2015/43349). All participants provided written consent by filling in the written questionnaires. The questionnaires did not have any ID number or code.
: Not applicable.
: The authors declare that they have no competing interests
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.