Design of Randomized, double-blind, Evaluation in secondary Stroke Prevention comparing the EfficaCy and safety of the oral Thrombin inhibitor dabigatran etexilate vs. acetylsalicylic acid in patients with Embolic Stroke of Undetermined Source (RE-SPECT ESUS) - Diener, H C; Easton, J D; Granger, C B; RE-SPECT ESUS Investigators (Int J Stroke, 2015)