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Authors
Kise, Nina Jullum
Roos, Ewa M.
Stensrud, Silje
Engebretsen, Lars
Risberg, May Arna
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Funding
Funding for this research was provided by:
Helse Sør-Øst RHF
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Article History
Received: 23 March 2018
Accepted: 17 October 2018
First Online: 16 November 2018
Compliance with ethical standards
:
: All authors have completed the Unified Competing Interest form at(available on request from the corresponding author) and declare that they have no support from any company for the submitted work; no relationships with any company that might have an interest in the submitted work in the previous 3 years; their spouses, partners, or children have no financial relationships that may be relevant to the submitted work; and they have no non-financial interests that may be relevant to the submitted work.
: This study was approved by the regional ethics committee of the Health Region of South-East Norway (reference No. 2009/230).
