- Ongoing auto-immune disease or with history of an auto-immune disease within the past 5 years; a patient with a history of auto-immune disease that is currently in remission must not be receiving medication designed to control the disease and must not have experienced an exacerbation of the disease requiring treatment with immunomodulatory agents in the last 5 years; auto-immune disease includes but are not limited to systemic lupus erythematosis, scleroderma, rheumatoid arthritis, psoriasis, psoriatic arthritis, ulcerative colitis and regional enteritis (Crohn's disease)