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Article History

Received: 22 August 2017

Accepted: 4 May 2018

First Online: 25 May 2018

Ethics approval and consent to participate

: The study was approved by the Danish Data Protection Agency, a national agency implementing directives protecting individuals with regard to the processing of personal data and the movement of such data (R. no. 2015-57-0002, Sequential no. 211). The study was reported to The Central Denmark Regional Committees on Biomedical Research via Aarhus University. Since the study did not include personal data (such as civil registration numbers) or clinical trials, approval was deemed not to be necessary.Verbal (audio recorded) and/or written consent to participate was obtained from all participants as described by the American Anthropological Association ().

: The authors declare that they have no competing interests.

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