Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (167509)
Service de la Santé Publique, Canton de Vaud (not applicable)
Received: 25 January 2021
Accepted: 15 April 2021
First Online: 1 May 2021
: The QC-DeMo trial was performed in line with the principles of the Declaration of Helsinki; ethical approval was waived by the relevant ethics committee (Cantonal (Vaud) Ethics Committee), as no data on individual residents were collected (decision 2017–01009).No individual NH resident took part in the study; informed consent was obtained in writing from all participating NHs.
: Not applicable.
: The authors declare that they have no competing interests.