Received: 12 December 2017
Accepted: 27 February 2018
First Online: 12 March 2018
Ethics approval and consent to participate
: All patients gave oral and written consent to participate in the study. The study was approved by The Regional Committees on Health Research Ethics for Southern Denmark (S-20100005) and the investigation was conducted in accordance with the REMARK criteria [CitationRef removed].
: Not applicable.
: The authors have declared no conflicts of interest.
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