Nøhr, A.
Gram, S. B.
Charabi, B.
Tvedskov, J. F.
Wessel, I.
Friborg, J.
Håkansson, K.
von Buchwald, C.
Fischer, B. M.
Rasmussen, Jacob H. http://orcid.org/0000-0003-1494-3352
Article History
Received: 13 May 2019
Accepted: 5 July 2019
First Online: 11 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent is not required for this study under Danish law, but the data collection was approved by the Danish Data Protection agency.