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Authors
Fuglsang, Niels Asp
Zinck, Elisabeth
Ersbøll, Annette Kjær
Ersbøll, Bjarne Kjær
Gislason, Gunnar Hilmar
Kjærulff, Thora Majlund
Bihrmann, Kristine
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Funding
Funding for this research was provided by:
Karen Elise Jensens Fond
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Article History
Received: 3 July 2021
Accepted: 21 February 2022
First Online: 4 March 2022
Declarations
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: According to Danish law (The Act on Processing of Personal Data: Act No. 429 of 31 May 2000 with amendments), approval from an ethical committee and informed consent from the study subjects are not required when performing register-based studies []. Register-based studies should, however, be approved by The Danish Data Protection Agency. This study obtained approval number: 2015-57-008, no.16/4085.
: Not applicable.
: The authors declare that they have no competing interests.
