Funding for this research was provided by:
Research council of Norway (222113/H10)
Received: 19 November 2020
Accepted: 6 June 2021
First Online: 18 July 2021
: All patients and their families were informed about the study, both orally and in writing. When patients lacked the capacity to consent, informed presumed consent was obtained in writing from the family. If the patients in the actigraphy subproject appeared to be bothered by the actigraph, staff was instructed to help them remove the watch. The COSMOS trial adheres to the Helsinki declaration and Norwegian law and has been approved by the Regional Ethics Committee West (2013/1765). The trial is registered at clinicaltrials.gov (NCT02238652).
: Not applicable.
: The authors declare that they have no competing interests.