Ekvall Hansson, Eva http://orcid.org/0000-0001-7552-6486
Beckman, Anders
Article History
Received: 23 August 2017
Accepted: 25 January 2018
First Online: 2 February 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the Regional Ethical Review Board in Lund, diary number 2014/361. We confirm that data was anonymised before its use on this study.
: Not applicable.
: The authors declare that they have no competing interests.
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