The data were collected as part of IZZ VitaliteitvoordeZorg, which is funded by Stichting IZZ. Stichting IZZ is a nonprofit collective of employers and employees in healthcare. The authors did not receive any funding for writing this article. The authors would like to thank Marcel Lankhaar (PwC), Eline Nap (PwC), Annelies Versteegden (former PwC) and Anouk ten Arve (Stichting IZZ) for their contributions in developing this study. Furthermore, the authors would like to thank the two anonymous reviewers for their constructive suggestions on previous versions of this article.
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