Omari, Adam
Madsen, Christian Medom
Lauritzen, Jes Bruun
Jørgensen, Henrik Løvendahl
Vojdeman, Fie Juhl http://orcid.org/0000-0001-5032-5004
Article History
Received: 21 December 2018
Accepted: 5 March 2019
First Online: 23 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: According to Danish law, ethical committee approval is not required for this type of observational study. The data were obtained through secure remote access to Statistics Denmark (ref. 704670). The study was approved by the Danish Data Protection Agency (2012-58-0004)/local number BBH-2014-050.
: For observational register-based studies, formal consent from patients is not required.