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Authors
Kaltenbrunner, Monica http://orcid.org/0000-0003-2211-620X
Bengtsson, Lars
Mathiassen, Svend Erik
Högberg, Hans
Engström, Maria
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Article History
Received: 5 April 2019
Accepted: 30 August 2019
First Online: 9 September 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board in Uppsala (Reg. no. 2014/525 and 2014/525/1). All participants received written information concerning the study and confidentially. Consent to participate in the study was given by completing and returning the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
