Rationale, design, and baseline characteristics of 2 large, simple, randomized trials evaluating telmisartan, ramipril, and their combination in high-risk patients : the Ongoing Telmisartan Alone and in Combination with Ramipril Global Endpoint Trial/Telmisartan Asseeemenst Study in ACE intolerant Subjects with Cardiovascular Disease (ONTARGET/TRANSCEND)