Funding for this research was provided by:
Sundhed og Sygdom, Det Frie Forskningsråd (4004-00140B)
Received: 17 January 2020
Accepted: 10 May 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of The Danish National Committee on Health Research Ethics, Region Zealand (file no: 2008-58-0020), and approved by the Danish Data Protection agency (protocol: SJ567). Informed oral and written consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.