Fadum, Elin Anita https://orcid.org/0000-0001-7751-5131
Strand, Leif Åge
Martinussen, Monica
Breidvik, Laila
Isaksen, Nina
Borud, Einar
Article History
Received: 31 January 2019
Accepted: 23 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: All subjects provided written consent to participate in the survey. The study was authorised by the Health Register Act and the regulations of the Norwegian Armed Forces Health Registry [, ]. The data were stored and analysed in accordance with international ethical guidelines for medical research [].
: Not applicable.
: The authors declare that they have no competing interests.