Correction ========== ## DARTS study In the Viewpoint article entitled “The potential use of decision analysis to support shared decision making in the face of uncertainty: the example of atrial fibrillation and warfarin anticoagulation” by A Robinson and R G Thomson on behalf of the Decision Analysis in Routine Treatment Study (DARTS) team which appeared, the following acknowledgement should have appeared: “The DARTS project was commissioned by the West Midlands Regional NHS Executive R&D programme and Eli Lilly Ltd”. The authors apologise for this omission.