Cammel, Simone A. https://orcid.org/0000-0002-6213-7147
De Vos, Marit S.
van Soest, Daphne
Hettne, Kristina M.
Boer, Fred
Steyerberg, Ewout W.
Boosman, Hileen
Article History
Received: 13 November 2019
Accepted: 30 April 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: The requirement for ethical approval was waived by the local Ethics Committee (METC Leiden-Den Hag-Delft) (#N19.121) based on the Dutch Medical Research Involving Human Subject Act.
: Not applicable.
: The authors declare that they have no competing interests.