7. Patients who have started hormonal therapy or changed the dosage of their hormonal therapy within 30 days prior to baseline will be excluded from study participation. The dosage and frequency of use of any hormonal therapy started greater than 30 days prior to baseline must remain unchanged throughout the study (Visit 1 through Visit 5 or Early Discontinuation Visit). Hormonal treatments include, but are not limited to, estrogenic and progestational agents such as birth control pills.