1. National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
2. Contribution in a strictly private capacity; MSc at the Erasmus University Rotterdam at time of the presented study. Currently working at The Netherlands Court of Audit
3. Department of Health Sciences and the EMGO Institute for Health and Care Research, VU University, Amsterdam, The Netherlands
4. Tranzo Scientific Center for Care and Welfare, Tilburg University, Tilburg, The Netherlands