Lorenzen, Mads Okkels Birk http://orcid.org/0000-0002-3137-3809
Farkas, Dóra Körmendiné
Adelborg, Kasper
Sundbøll, Jens
Sørensen, Henrik Toft
Article History
Received: 21 July 2019
Revised: 12 November 2019
Accepted: 3 December 2019
First Online: 20 December 2019
Ethics approval and consent to participate
: In Denmark, registry-based research does not require permission from an ethics committee or informed consent from patients.
: Danish law does not allow researchers to share raw data or datasets which include individual-level datapoints from the registries with third parties. Data can be accessed by researchers through application to the Health Data Authority (contact:forskerservice@sundhedsdata.dk). However, a formal affiliation or collaboration with a Danish research institution is required. Acquisition of data are only allowed after permission to handle data has been obtained from the Danish Data Protection Agency (contact: dt@datatilsynet.dk).
: M.O.B.L., K.A., J.S. and D.K.F. report no potential conflict of interest, including no financial interests. Professor Sørensen does not report receiving fees, honoraria, grants or consultancies.
: This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors. Department of Clinical Epidemiology is, however, involved in studies with funding from various companies as research grants to (and administered by) Aarhus University.