Cramer, Allan
Jacobsen, Nanna Cecilie
Hansen, Maria Swennergren
Sandholdt, Håkon
Hölmich, Per
Barfod, Kristoffer Weisskirchner
Article History
Received: 3 December 2019
Accepted: 16 April 2020
First Online: 29 April 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests. No benefits have been received or will be received from a commercial party related (in)directly of this article.
: The Danish National Committee on Health Research Ethics has stated that this registry study did not need approval to be initiated (Journal nr.: 17024868).
: Informed consent was obtained from all study participants.