Funding for this research was provided by:
Sophiahemmet Foundation (no number)
the Medical Research Council of Southeast Sweden (561431)
Text and Data Mining valid from 2020-03-25
Received: 4 January 2019
Accepted: 17 March 2020
First Online: 25 March 2020
Ethics approval and consent to participate
: All participants received oral and written information about the aim of the study, the voluntarily nature of participation and their right to withdraw, before giving their written informed consent. Formal approval was granted by the Regional Ethical Review Board in Linköping, Sweden (No. 2016/147–31).
: Not applicable.
: SRC is an Associate Editor of this journal. The authors declare that they have no other competing interests.