Nygaard, Patrick Pascal http://orcid.org/0000-0003-0615-0483
Skovlund, Sebastian Venge
Sundstrup, Emil
Andersen, Lars Louis
Article History
Received: 11 May 2020
Accepted: 10 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: Due to the Danish law, de-identified and anonymized data in questionnaires and register-based studies can be used for research without approval by ethical and scientific committees, and without obtaining informed consents.
: Not applicable.
: The authors declare no conflicts of interest.