8. Active or history of autoimmune disease or immune deficiency, including, but not limited to, myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, antiphospholipid antibody syndrome, Wegener granulomatosis, Sjögren's syndrome, Guillain-Barré syndrome, or multiple sclerosis, with the following exception: a. Patients with a history of autoimmune hypothyroidism who are on thyroid replacement hormone are eligible for the study. b. Patients with controlled Type 1 diabetes mellitus who are on an insulin regimen are eligible for the study.