Funding for this research was provided by:
Research Career Grant (2010/754-5806/2010)
Text and Data Mining valid from 2018-09-29
Received: 11 June 2018
Accepted: 18 September 2018
First Online: 29 September 2018
Ethics approval and consent to participate
: This study was conducted according to the Declaration of Helsinki (2013). The Regional Committees for Medical and Health Research Ethics approved the study: 2011/1731a. All participants were informed (both verbally and through written information) of their right to withdraw their participation at any time. All family members provided informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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