Received: 28 May 2021
Accepted: 10 December 2021
First Online: 6 January 2022
: Data from each nursing home were anonymized and handled in accordance with the General Data Protection Regulation and the Data protection act. As per the data protection law in 2018 the study was not to be reported to the Danish Data Protection Agency [CitationRef removed]. Moreover, as per national guidelines, as no human biological material was collected, a formal ethics approval by the regional ethics committee was not required [CitationRef removed]. All respondents provided their explicit informed consent online, given that this study consisted of an online questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.