Vestergaard, Rikke Falsig
Søballe, Kjeld
Hasenkam, John Michael
Stilling, Maiken
Article History
Received: 8 January 2018
Accepted: 10 May 2018
First Online: 18 May 2018
Ethics approval and consent to participate
: This study was approved by The Danish Ethics board as it adheres to the Helsinki Declaration and all participants gave their informed consent to participate in this study with the intent to publish.
: No financial support was given to this project and there are no conflicts of interest for any of the authors.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.