7. Clinically important disease, as judged by the investigator, within 3 months of the study (eg, significant laboratory test abnormalities, myocardial infarct, stroke, cancer, connective tissue diseases [scleroderma, systemic lupus erythematous], systemic infection, uncontrolled diabetes, etc.), including those with medical conditions that might require the use of immunosuppressive medications during the trial (eg, severe, uncontrolled asthma, rheumatoid arthritis, autoimmune diseases, etc).