Funding for this research was provided by:
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2016-07415, 2018-01252)
Text and Data Mining valid from 2018-07-18
Received: 6 July 2018
Accepted: 9 July 2018
First Online: 18 July 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the regional ethical review board in Gothenburg, reference numbers 496–17 and T039–18. Informed written consent will be obtained from all participants. The written and oral information that will be given to the participants, stresses that their participation is voluntary and that they may withdraw at any time without having to give a reason.
: Not applicable.
: The authors declare that they have no competing interests.
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