Funding for this research was provided by:
Stiftelsen Kristian Gerhard Jebsen (SKGJ‐MED‐007)
Received: 9 March 2018
Accepted: 30 May 2018
First Online: 14 June 2018
Ethics approval and consent to participate
: The samples were gathered during a randomized trail (NCT00376883) [CitationRef removed].Some samples were available from Biobank1®. This study was approved by the Regional Ethics Committee (REK 2011–2029). All participants provided written informed consent.
: The authors declare that they have no competing interests.
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