Brøndserud, Mette Bordinggaard http://orcid.org/0000-0001-5500-3944
Pedersen, Court
Rosenvinge, Flemming S.
Høilund-Carlsen, Poul F.
Hess, Søren
Article History
Received: 6 August 2018
Accepted: 8 February 2019
First Online: 20 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Danish Data Protection Agency (no. 14/28781, 2008-58-003) and The Danish Health Authority (no. 3-3013-675/1/). For this type of study, formal consent is not required.All procedures performed in the study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.