Spek, Michelle
Cals, Jochen W. L.
Oudhuis, Guy J.
Savelkoul, Paul H. M.
de Bont, Eefje G. P. M. http://orcid.org/0000-0002-2700-4752
Article History
Received: 30 June 2020
Accepted: 29 October 2020
First Online: 10 November 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Maastricht UMC Medical Ethical Committee (2019–1294). The board of directors of the two participating out-of-hours centres granted permission to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.