Funding for this research was provided by:
K.G. Jebsen Foundation for medical research
Liaison Committee for education, research and innovation in Central Norway
Text and Data Mining valid from 2018-09-10
Received: 3 May 2018
Accepted: 28 August 2018
First Online: 10 September 2018
Ethics approval and consent to participate
: All participants signed informed consent and the study was approved by the Regional Committee for Medical Research Ethics (REK sør-øst B: 2015/945).
: Not applicable
: The authors declare that they have no competing interests.
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