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Article History

Received: 23 April 2021

Accepted: 27 July 2021

First Online: 10 August 2021

Declarations

:

: According to EU’s General Data Protection Regulation (article 30), the project was listed at the record of processing activities for research projects in Central Denmark Region (j. no: 1–16–02-19-19). According to the Consolidation Act on Research Ethics Review of Health Research Projects, Consolidation Act number 1083 of 15 September 2017 section 14 (2) notification of questionnaire surveys to the research ethics committee system is only required if the project involves human biological material. Therefore, this study could be conducted without an approval from the committees. According to Danish law, data from national registers may be used for research without informed consent. All questionnaire respondents provided informed consent to participate in the study and to use of their data. The study has been performed in accordance with the Declaration of Helsinki.

: Not applicable.

: The authors declare that they have no competing interests.