Knudsen, Camilla Klinge http://orcid.org/0000-0002-8588-7637
Christesen, Amanda Marie Somer http://orcid.org/0000-0003-2691-3943
Heuckendorff, Signe http://orcid.org/0000-0002-4074-064X
Fonager, Kirsten http://orcid.org/0000-0001-9641-992X
Johansen, Martin Nygård http://orcid.org/0000-0001-9790-0985
Overgaard, Charlotte http://orcid.org/0000-0002-3370-2338
Article History
Received: 8 March 2021
Accepted: 21 September 2021
First Online: 14 October 2021
Declarations
:
: Not applicable. No ethical approval is required for register-based studies in Denmark.
: Not applicable.
: The authors declare that they have no competing of interests.