Funding for this research was provided by:
Stiftelsen Konung Gustaf V:s 80-årsfond
Karolinska Institutet Foundation
Text and Data Mining valid from 2018-05-02
Received: 22 November 2017
Accepted: 27 March 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: The regional ethics committee in Stockholm granted the approval (N2005/792–31/4) and all participants gave informed consent to participate in the study.
: The authors declare that they have no competing interests.
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