Mogensen, Hanna http://orcid.org/0000-0001-5195-8065
Tettamanti, Giorgio http://orcid.org/0000-0002-5210-7219
Frederiksen, Line Elmerdahl
Talbäck, Mats
Härkonen, Juho
Modig, Karin
Pedersen, Camilla
Krøyer, Anja
Hirvonen, Elli
Kyrönlahti, Anniina
Heyman, Mats
Holmqvist, Anna Sällfors
Hasle, Henrik http://orcid.org/0000-0003-3976-9231
Madanat-Harjuoja, Laura
Malila, Nea http://orcid.org/0000-0001-8127-8087
Winther, Jeanette Falck http://orcid.org/0000-0002-3440-5108
Erdmann, Friederike http://orcid.org/0000-0002-9982-3300
Feychting, Maria
Funding for this research was provided by:
NordForsk (76111)
Barncancerfonden (PR2020-0130, PR2022-0155)
Article History
Received: 14 February 2023
Revised: 29 October 2023
Accepted: 8 November 2023
First Online: 22 November 2023
Competing interests
: The authors declare no competing interests.
: The SALiCCS research programme has been approved by the Regional Ethical Review Board in Stockholm, Sweden (dnr 2016/25-31/5, 2016/1561-32, 2017/1656-32, 2017/1990-32, 2017/2340-32, 2018/1165-32), Findata (Dnro THL/5543/14.06.00/2020) prolonging the former approvals by the National Institute for Health and Welfare and Social Insurance (KELA) and Statistics Finland (TK-53-394-17). The SALiCCS research programme is listed in a local archive (2018-DCRC-0044) at the Danish Cancer Institute, which replaces the former approval from the Danish Data Protection Agency, and all data has been approved by, and stored, linked and analysed at a secure joint project platform at Statistics Denmark. Because of the register-based design all data were pseudonymized by the original registry holders, and researchers did not have access to personal identifiers. Thus, individual informed consent from participants was waived. The study was performed in accordance with the Declaration of Helsinki.