Relevant since there will be multiple pre-test and post-test that is conducted, however, the instrument will not be changed, and they will be calibrated per protocol guidelines. Additionally, the measurement of adherence through electronic pharmacy records should remain consistent throughout the course of the study. Reading and interpretating scans will be assigned to a clinical trial radiologist to keep it consistent and the same machines will be used throughout the trial. What about the reading and interpretation of the scans?
