1. Institute of Medical Sociology; Medical Faculty; Martin Luther University Halle-Wittenberg; Germany
2. Department of Public Health; AMC; University of Amsterdam; Amsterdam The Netherlands
3. Institute of Medical Sociology; Medical Faculty; Heinrich-Heine University Düsseldorf; Düsseldorf Germany
4. Institute of Medical Sociology, Health Services Research, and Rehabilitation Science; Faculty of Human Sciences and the Faculty of Medicine; University of Cologne; Cologne Germany
5. Institute for Health and Social Policy; McGill University; Montreal Quebec Canada
6. Hertie School of Governance Berlin; Berlin Germany
7. Faculty of Sport and Health Sciences; Department of Health Sciences; University of Jyväskylä; Finland
8. Department of Public Health; Jessenius Faculty of Medicine; Comenius University; Martin Slovak Republic