1. Evidence Synthesis and Modelling for Health Improvement, Institute of Health Research; University of Exeter Medical School; Exeter UK
2. Centre for Research on Health and Social Care Management; Università Bocconi; Milan Italy
3. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
4. Department of Clinical Epidemiology and Medical Technology Assessment (KEMTA); Maastricht University Medical Centre; Maastricht The Netherlands