Falkenberg, Katrine
Olesen, Jes http://orcid.org/0000-0002-6712-2702
Funding for this research was provided by:
Candys Foundation
Grosser L.F. Foghts Foundation
The Hartmann Foundation
Axel Muusfeldt Foundation
Frimodt-Heineke Fonden
Article History
Received: 18 May 2018
Accepted: 18 July 2018
First Online: 17 August 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Copenhagen (H-15011960). All participants received oral and written information and provided written informed consent before inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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