Rotevatn, Torill Alise http://orcid.org/0000-0003-2170-8991
Overgaard, Charlotte
Melendez-Torres, G. J.
Mortensen, Rikke Nørmark
Ullits, Line Rosenkilde
Høstgaard, Anna Marie Balling
Torp-Pedersen, Christian
Bøggild, Henrik
Article History
Received: 14 May 2019
Accepted: 22 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: This study was approved by The Danish Data Protection Agency (ref: 2008-58-0028, internal ref.: 2017–67). In Denmark, it is not necessary to obtain ethical approval for the use of administrative register information in research, as long as the project does not involve human biological material.
: Not applicable
: Henrik Bøggild is a member of the editorial board of this journal. The authors declare that they have no further competing interests.