Funding for this research was provided by:
Swiss Nurses’ Association
Received: 26 June 2020
Accepted: 8 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: Data access was granted by the Swiss Federal Statistics Office based on a data protection contract as stipulated by article 22 of the Swiss Federal Act on Data Protection. The data is routinely collected and de-identified and therefore exempt from further ethical approval. Consent to participate was not applicable.
: Not applicable.
: The authors declare that they have no competing interests.