Funding for this research was provided by:
Forskningsrådet för Arbetsliv och Socialvetenskap (2015-00440)
Text and Data Mining valid from 2019-03-29
Received: 3 July 2018
Accepted: 21 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: Ethical approval for this study was obtained from the Regional Ethical Review Board in Stockholm, Sweden Dnr: 2016/299–31. Individual consent to participate in this study was waived as this was a population-based study using administrative data.
: Not applicable.
: The authors declare that they have no competing interests.
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