8. Inadequately controlled hypertension [systolic blood pressure of >130 and/or diastolic blood pressure of >90 mmHg on antihypertensive medication at time of study entry and/or at time of starting therapy] history of myocardial infarction or unstable angina within 12 months prior to study enrollment, New York Heart Association Class II or greater congestive heart failure, unstable symptomatic arrhythmia requiring medication (subjects with chronic atrial arrhythmia i.e., atrial fibrillation or paroxysmal supraventricular tachycardia are eligible) or Class II or greater peripheral vascular disease