1. Netherlands institute for health services research (Nivel), Utrecht, The Netherlands
2. Universitat Autònoma de Barcelona, Barcelona, Spain
3. Avedis Donabedian Research Institute (FAD), Barcelona, Spain
4. Health Services Research Network on Chronic Diseases (REDISSEC), Madrid, Spain
5. Network for Research on Chronicity, Primary Care, and Health Promotion (RICAPPS), Barcelona, Spain
6. European Patients’ Forum, Brussels, Belgium
7. Iberoamerican Cochrane Centre, Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
8. OptiMedis, Hamburg, Germany
9. Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands