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Authors
Svanberg, Ingvar https://orcid.org/0000-0002-8378-7923
Berggren, Åsa
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Article History
Received: 22 October 2019
Accepted: 3 December 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: No further Research Ethnics Committee approval was required in Sweden.
: The authors declare that they have no competing interests.
