Tao, Wenjing
Santoni, Giola
von Euler-Chelpin, My
Ljung, Rickard
Lynge, Elsebeth
Pukkala, Eero
Ness-Jensen, Eivind
Romundstad, PĂ„l
Tryggvadottir, Laufey
Lagergren, Jesper http://orcid.org/0000-0002-5143-5448
Funding for this research was provided by:
VetenskapsrÄdet (D0547801)
Cancerfonden (14 0322)
Nordic cancer union (154860)
Article History
Received: 24 April 2020
Revised: 22 May 2020
Accepted: 28 May 2020
First Online: 13 June 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The interpretation and reporting of the data are the sole responsibility of the authors. The study used individual level data from the registries in the Nordic countries. No endorsement by the authorities responsible for the registries is intended nor should be inferred.
: For this type of study, formal consent is not required. The study was approved by Ethical Review Boards and Data Inspectorates from all five Nordic countries.
: Informed consent does not apply. Waivers of informed consent are granted for register-based studies in all five Nordic countries.