1. Institute of Health and Society, Université catholique de Louvain, Brussels, Belgium
2. Health and Demographic Research, Ghent University, Ghent, Belgium
3. Psychological Sciences Research Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium
4. Belgian Health Care Knowledge Centre, KCE, Brussels, Belgium
5. Department of Public Health and Primary Care, Ghent University, Ghent, Belgium