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Venkatesh Mani has received research grants from Novartis. Nadia Alie, Sarayu Ramachandran, Cecilia Besa, Philip Robson and Bachir Taouli have nothing to disclose. Michele Mercuri and Michael Grosso are employees of Daiichi Sankyo. Greg Piazza has received research grants from Daiichi Sankyo, BMS, EKOS, and the Thrombosis Research Institute. Samuel Goldhaber has received grants from BMS, Daiichi Sankyo, EKOS, NHLBI and the Thrombosis Research Institute. He is a consultant for Ariad, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, Daiichi Sankyo, Genentech, Janssen, Merck, Pfizer and Portola. Zahi Fayad has received research grants from Daiichi Sankyo, Roche, GlaxoSmithKline, Merck, VBL Therapeutics, Novartis, Bristol-Myers Squibb, and Via Pharmaceuticals.