Received: 17 December 2019
Accepted: 9 November 2020
First Online: 20 November 2020
Ethics approval and consent to participate
: The residents’ capacity to consent to participate in the study was considered by the NH staff, including the NH physician. A written consent for the participation was obtained from all residents who had the capacity to give consent. If a resident was lacking the capacity to give consent, their next of kin gave written consent on behalf of the resident. The Regional Ethics Committee for Medical Research in South Eastern-Norway (REC) has approved the study (2011/1738a).
: Not applicable.
: The authors declares that they have no competing interests.