Dybdal, Daniel Thor Halberg https://orcid.org/0000-0001-5039-0367
Davidsson, Ólafur Birgir https://orcid.org/0000-0002-7226-5409
Søegaard, Signe Holst https://orcid.org/0000-0003-4857-7186
Petersen, Michael Mørk https://orcid.org/0000-0002-2324-6420
Aggerholm-Pedersen, Ninna https://orcid.org/0000-0002-6859-5296
Hjalgrim, Henrik https://orcid.org/0000-0002-4436-6798
Rostgaard, Klaus https://orcid.org/0000-0001-6220-9414
Hjalgrim, Lisa Lyngsie https://orcid.org/0000-0001-5186-3365
Funding for this research was provided by:
Kræftens Bekæmpelse (R367-A21533)
Børnecancerfonden,Denmark (2021-7416 and 2022-8218)
National Hospital
Article History
Received: 28 May 2025
Accepted: 23 September 2025
First Online: 9 October 2025
Declarations
:
: The authors declare no competing interests.
: This purely register-based study did not require approval from a scientific ethics committee. In accordance with EU General Data Protection Regulation, the project was listed in the record of processing activities for research projects in the Danish Cancer Society (2021-DCRC-0033).