Funding for this research was provided by:
Norges Forskningsråd (256681/H10)
Article History
Received: 5 June 2018
Accepted: 6 December 2018
First Online: 8 January 2019
Ethics approval and consent to participate
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: The authors declare that they have no competing interests. The authors Siri Wiig and Tanja Manser are associate editors of BMC Health Services Research.
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