Virgilsen, Line Flytkjær http://orcid.org/0000-0001-9492-7082
Pedersen, Anette Fischer
Andersen, Berit
Vedsted, Peter
Funding for this research was provided by:
Danish Cancer Society
the Novo Nordisk Foundation
The Riisfort Foundation
The Health Research Fund of the Central Denmark Region
Health Faculty, Aarhus University
The Health Faculty, Aarhus University
Article History
Received: 18 June 2018
Accepted: 4 August 2018
First Online: 10 August 2018
Compliance with ethical standards
:
: All the authors declare to have no conflicts of interest.
: This article does not contain any studies with human participants performed by any of the authors and was based solely on registers.
: No ethical approval was required according to Danish law and the National Committee on Health Research Ethics in the Central Denmark Region as the study was based on registry data (journal no. 181/2011).