Hammarström, Anne http://orcid.org/0000-0002-3310-6069
Hensing, Gunnel
Funding for this research was provided by:
VetenskapsrÄdet (2011-05478)
Article History
Received: 12 July 2017
Accepted: 21 December 2017
First Online: 20 March 2018
Ethics approval and consent to participate
: The study did not involve humans and ethical approval was therefore not required.
: Not applicable
: The authors declare that they have no competing interests.
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