Ebrahim, Mohamed http://orcid.org/0000-0003-4474-4098
Larsen, Pia Bükmann http://orcid.org/0000-0001-6428-1719
Hannani, Damoun
Liest, Sara
Jørgensen, Lars Nannestad http://orcid.org/0000-0001-7465-5374
Jørgensen, Henrik Løvendahl http://orcid.org/0000-0001-6374-761X
Article History
Received: 9 March 2020
Accepted: 17 January 2021
First Online: 26 January 2021
Ethics approval and consent to participate
: Permission for this study was granted by the Danish Data Protection Agency (ID no. 2007-58-0015). No permission from the regional Ethics Committee was needed since the study was purely registry-based.
: Not applicable.
: The authors declare that they have no competing interests.