Funding for this research was provided by:
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2014-0303)
Svenska Forskningsrådet Formas (521-2014-2710)
Text and Data Mining valid from 2018-06-04
Received: 29 September 2017
Accepted: 26 March 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: This study has been reviewed and approved by The Regional Ethics Committee in Stockholm (Dnr 2014/612-31/5). The data in the study consists of public documents, no files containing personal data were compiled and the results are presented at aggregated level.
: Not applicable.
: The authors declare that they have no competing interests.
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