Knutsson, Sara Brandt https://orcid.org/0000-0001-9416-9082
Wennergren, David
Bojan, Alicja
Ekelund, Jan
Möller, Michael
Article History
Received: 23 November 2018
Accepted: 17 April 2019
First Online: 8 May 2019
Ethics approval and consent to participate
: The study was approved by The Regional ethical review board in Gothenburg. Reference number 174–16.
: Not applicable.
: The authors declare that they have no competing interests.
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