Funding for this research was provided by:
Vetenskapsrådet
The Craaford Foundation
Pfizer
Thelma Zoegas Fund
The Swedish National Centre for Research in Sports
The Stig and Ragna Gorthon Research Fund
Reumatikerförbundet
Region Skåne
The Faculty of Medicine of Lund University
Article History
Received: 9 October 2017
Accepted: 8 February 2018
First Online: 13 February 2018
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee at Lund University (LU 535–01). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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