Török, Eszter http://orcid.org/0000-0002-7816-3729
Rod, Naja Hulvej
Ersbøll, Annette Kjær
Jensen, Johan Høj
Rugulies, Reiner
Clark, Alice Jessie
Funding for this research was provided by:
Danish Working Environment Fund (No. 03-2013-09)
Article History
Received: 9 January 2019
Accepted: 3 November 2019
First Online: 18 November 2019
Compliance with ethical standards
:
: Authors declare no conflicts of interest.
: This study complies with the Declaration of Helsinki. In Denmark, studies that are based on questionnaire and register data only do not require approval from The National Committee on Health Research Ethics. The study was approved by The Danish Data Protection Agency under the umbrella approval for the University of Copenhagen. All data are stored in a protected server environment hosted by Statistics Denmark.