Mejdahl, Mathias Kvist
Wohlfahrt, Jan
Holm, Marianne
Balslev, Eva
Knoop, Ann Søegaard
Tjønneland, Anne
Melbye, Mads
Kroman, Niels
Funding for this research was provided by:
Kræftens Bekæmpelse (R124-A7440-15-S2)
Article History
Received: 2 October 2018
Revised: 24 January 2019
Accepted: 24 January 2019
First Online: 26 February 2019
Competing interests
: The authors declare no competing interests.
: The data that support the findings of this study are archived at governmental institutions in Denmark and can be obtained through application to the relevant data agencies. Data from the Danish Breast Cancer Group Database is available through Danish Clinical Registries (RKKP), and data from the Danish Pathology Register is available through the Health Data Agency. Data on population mortality rates in age groups and calendar periods, and according to gender, are publicly available at Statistics Denmark (ExternalRef removed).
: This study was approved by the Regional Research Ethics Committee of the Capital Region of Denmark (protocol number: H-16014553) and by the Regional Data Protection Agency (RH-2016-126).
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).