Christensen, Line Due http://orcid.org/0000-0002-4801-4335
Reilev, Mette
Juul-Larsen, Helle Gybel
Jørgensen, Lillian Mørch
Kaae, Susanne
Andersen, Ove
Pottegård, Anton
Petersen, Janne
Article History
Received: 27 November 2018
Accepted: 13 March 2019
First Online: 4 April 2019
Compliance with ethical standards
: The study was approved by the Scientific Board of Statistics Denmark and the Danish Data Protection Agency (Ref. 00003115). An approval from an ethics committee is not required for registry-based studies in Denmark. No identifiable patient data could be retrieved. The study was conducted by following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) recommendations [CitationRef removed].
: The authors declare that they have no conflicts of interest.