Møller, Anders Damgaard http://orcid.org/0000-0001-7678-5770
Christiansen, David Høyrup
Bell, Cathrine
Fredberg, Ulrich
Vedsted, Peter
Funding for this research was provided by:
Central Denmark Region (A863, 864)
Aarhus Universitet (19557157)
Regional Hospital Central Jutland (N/A)
Johannes Fogs Fond (N/A)
Article History
Received: 19 December 2017
Accepted: 16 August 2018
First Online: 28 August 2018
Ethics approval and consent to participate
: The study was approved by the Danish Data Protection Agency (file no: 2705). According to Danish law, register-based studies do not require approval by committees on biomedical research ethics, or informed consent. This was confirmed to apply for the present study by the Committee on Health Research Ethics in the Central Denmark Region (file no: 1–10–72-168-17).
: Not applicable.
: The authors declare that they have no competing interests.
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