Funding for this research was provided by:
Kongelig Hofbuntmager Aage Bangs Fond
Civilingeniør Frode V. Nyegaard og Hustrus Fond
Received: 1 May 2018
Accepted: 29 August 2018
First Online: 10 October 2018
Ethics approval and consent to participate
: Samples were collected at the rheumatology outpatient clinic, Aarhus University Hospital. Written consent was obtained from all subjects in accord with the Helsinki Declaration. Collection and culturing were, furthermore, approved by the Research Ethics Committee of Central Jutland (20050046 and 20121329) and reported to the Danish Data Protection Agency.
: Not applicable.
: TWK is a member of the BMC Rheumatology editorial board but was not involved in the editorial process.
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