Fig. 1

Overview of the study methodology. The figure shows the study design (orange), data collection (green) and data analysis (blue) phases and the persons/teams involved in each phase (white boxes). The position of the two surveys, the weighting survey and the scoring survey, are indicated in dark green boxes. Arrows indicate dependencies. a Fact sheets (evidence-based data) was provided to accompany the scoring survey and to set default answers within this scoring survey (survey II). b Median weights per criteria were calculated using expert responses (survey I). c Mean criteria scores per disease were calculated based on the expert responses (survey II). d The weighted sum of the criteria scores composed the final weighted score per disease, on which the ranking was based