Funding for this research was provided by:
Vetenskapsrådet (K2015-99x-21874-05-4)
Region Östergötland
AFA Försäkring (140341)
Article History
Received: 3 February 2017
Accepted: 6 August 2018
First Online: 16 August 2018
Ethics approval and consent to participate
: The healthy controls protocol was approved by the Regional Ethics Committee in Linköping (RECL), Sweden (Dnr M136–06 and Dnr 2012/94–32). The clinical trial, from which patient data were derived, was conjointly approved by the Swedish Medical Products Agency (EudraCT 2010–018920-21) and by the RECL (Dnr 2011/48–31). All participants signed informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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