Response to Letter Regarding Article, “Cost-Effectiveness of Prasugrel Versus Clopidogrel in Patients With Acute Coronary Syndromes and Planned Percutaneous Coronary Intervention: Results From the Trial to Assess Improvement in Therapeutic Outcomes by Optimizing Platelet Inhibition With Prasugrel-Thrombolysis in Myocardial Infarction TRITON-TIMI 38”