Most important portal feature to best assist policy-makers in doing their policy work (multiple choice) 1 - The portal has valuable and scientifically sound information. 2 - The provided information is a confirmation of the information they get from other sources before. 3 - The portal is user friendly. 4 - Make sure that the level of detail is sufficient for their purposes. 5 - The content is only evidence-based. 6 - An automatic system for notifying new messages or items on the portal. 7 - Users can identify on the portal what the current issues are to be considered. 8 - Policy-makers can find experts within their network/field of interest.