Dieperink, Karin Brochstedt http://orcid.org/0000-0003-4766-3242
Elnegaard, Caroline Matilde
Winther, Bodil
Lohman, Anna
Zerlang, Ida
Möller, Sören
Zangger, Graziella http://orcid.org/0000-0002-7606-3273
Article History
Received: 20 May 2019
Accepted: 14 February 2020
First Online: 2 March 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 Data Protection Agency (2008-58-0018 Journal No. 17/43977) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study. We had no access to patient files. If any participant was categorized with severe insomnia, they were recommended to see a general practitioner. Permission to validate ISI-DK was given by the original author, Charles M. Morin and user agreement was approved for academic research from the Mapi Research Trust. Permission to use the EQ-5D-5 L was obtained at the EuroQol Research Foundation.
: Not applicable.
: The authors declare that they have no conflict of interest.