- History of autoimmune disease, including but not limited to myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, vascular thrombosis associated with antiphospholipid syndrome, Wegener's granulomatosis, Sjogren's syndrome, Guillain-Barre syndrome, multiple sclerosis, vasculitis, or glomerulonephritis; patients with a history of autoimmune-related hypothyroidism on a stable dose of thyroid replacement hormone are eligible for this study; patients with controlled type 1 diabetes mellitus on a stable insulin regimen are eligible for this study