Sköld, Camilla
Bjørge, Tone http://orcid.org/0000-0002-9096-5257
Ekbom, Anders
Engeland, Anders
Gissler, Mika
Grotmol, Tom
Madanat-Harjuoja, Laura
Ording, Anne Gulbech
Trabert, Britton
Tretli, Steinar
Troisi, Rebecca
Sørensen, Henrik Toft
Glimelius, Ingrid
Funding for this research was provided by:
Cancerfonden (CAN 2016/440, 190109 SCIA)
The Gullstrand Foundation, Uppsala County, Sweden
Article History
Received: 27 August 2019
Revised: 20 March 2020
Accepted: 1 April 2020
First Online: 27 April 2020
Ethics approval and consent to participate
: This study obtained approval from the ethics committees in Norway and Sweden, from the Data Protection Agency in Denmark, and from the Finnish Institute for Health and Welfare in Finland after consultation with the data protection authority. The study was performed in accordance with the Declaration of Helsinki.
: None.
: The data in the current manuscript are results of linkages of several nationwide registers as described in the method section. Procedures for accessing the data will be available from the corresponding author.
: I.G. have received Honoraria from Janssen for projects unrelated to the current study. All other authors declare they have no conflicts of interest.
: This study was supported by the Nordic Cancer Union, the National Cancer Institute, the Uppsala County, Sweden and Lions research fund at Uppsala Akademiska Hospital. I.G. was supported by the Swedish Cancer Society (190109 SCIA and CAN 2016/440) and the Gullstrand Foundation, Uppsala County, Sweden.