Funding for this research was provided by:
Stockholms Läns Landsting (NA)
Svenska Forskningsrådet Formas (NA)
Received: 22 March 2019
Accepted: 15 July 2019
First Online: 27 August 2019
Change Date: 13 September 2019
Change Type: Correction
Change Details: It was highlighted that the original article  contained an error in the flow chart in Fig. 1.
Ethics approval and consent to participate
: Research has been performed in accordance with the Declaration of Helsinki. The Ethical Review Board at Karolinska Institutet, Stockholm, approved the study (case number: 96–260, 01–218, 03–302, 2009/880–31, 2012/808–32). Written informed consent to participate in the study was obtained from participants.
: “Not applicable”.
: The authors declare that they have no competing interests.