Funding for this research was provided by:
Lundbeckfonden (R219-2016-270)
Article History
First Online: 30 March 2018
Compliance with Ethical Standards
:
: The study was supported by Lundbeck Foundation Grant no. R219-2016-270 (Dr. Svanström). Dr. Pasternak was supported by an investigator grant from the Strategic Research Area Epidemiology Program at Karolinska Institutet. The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
: Henrik Svanström, Mads Melbye, and Björn Pasternak have no conflicts of interest directly relevant to the content of this study. Marie Lund reports personal fees from Dansk Lægemiddel Information A/S, outside the submitted work.
: The study was approved by the Danish Data Protection Agency. Ethics approval is not required for register-based research in Denmark.
: No additional material or data available.