8. Presence or evidence of significant acute or chronic disease, in particular heart disease including coronary artery disease and chronic pulmonary diseases (e.g., chronic obstructive pulmonary disease [COPD]); uncontrolled medical or psychiatric illness (subjects with uncomplicated chronic diagnoses stable and treated for ≥ 3 months e.g., mild hypertension well-controlled with medication, may be enrolled - provided the condition and its therapy are known not to be associated with an immunocompromised state or an autoimmune disease)