Work package 1

Scope, definition, and consequences of publication bias in clinical trials

Work package 2

Quantitative analysis to reveal characteristic bibliometric features of the publication bias

Work package 3

Identification of stakeholders and measures, barriers and facilitating factors to overcome the publication bias

Work package 4

Statistical modelling and software toassess impact of unpublished studies on meta-analyses

Work package 5

Participative approach to uncover feasible solutions against publication bias

Work package 6

Recommendations to change practice and support evidence-based medicine

Work package 7

Project management