1. Institute of Health and Society, Université Catholique de Louvain, Brussels, Belgium
2. Department of Public Health, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
3. Institute of Medical Sociology (IMS), Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
4. School of Health Sciences, University of Tampere, Kalevantie, Tampere, Finland
5. Department of Human Sciences, Society and Health, University of Cassino and Southern Lazio, Cassino, Italy