Funding for this research was provided by:
Fonden til Lægevidenskabens Fremme
Aase og Ejnar Danielsens Fond
Received: 27 August 2020
Accepted: 11 January 2021
First Online: 29 January 2021
Ethics approval and consent to participate
: The study was registered by the Danish Data Protection Agency (ref-number 2018–109). Based on submission of the study protocol, the Ethics Committee of the North Region of Denmark concluded that no further approvals were necessary for this study. The study was conducted in compliance with the Helsinki declaration. All participants provided written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.