1. Department of Epidemiology and public health, Sciensano, Brussels, Belgium
2. Department of Medical Sociology and Rehabilitation Science, Charité Berlin University of Medicine, Berlin, Germany
3. Department of Public Health, Amsterdam University Medical Centers, Amsterdam, The Netherlands
4. Division of Health Informatics and Biostatistics, Croatian Institute of Public Health, Zagreb, Croatia
5. Department of Public Health and Primary Care, Ghent University, Ghent, Belgium