Receiving steroids > the equivalent of mg prednisone daily for other medical conditions, e.g., asthma, systemic lupus erythematosis, rheumatoid arthritis Other significant or uncontrolled medical illness; patients with a remote history of asthma or active mild asthma may participate Evidence of active autoimmune disease (e.g., systemic lupus erythematosis, rheumatoid arthritis, with the exception of vitiligo. Patients with a remote history of asthma or mild asthma are eligible. Other significant or uncontrolled medical illness; patients with a remote history of asthma or active mild asthma may participate Patients with a remote history of asthma or active mild asthma may participate. Evidence of active autoimmune disease (e.g., systemic lupus erythematosis, rheumatoid arthritis, with the exception of vitiligo. Patients with a remote history of asthma or mild asthma are eligible. Autoimmune disease (e.g., systemic lupus erythematosis (SLE), rheumatoid arthritis (RA), etc.). Patients with a remote history of asthma or mild active asthma are eligible. Autoimmune disease (e.g., systemic lupus erythematosis (SLE), rheumatoid arthritis (RA), etc.). Patients with a remote history of asthma or mild active asthma are eligible. Autoimmune disease (e.g., systemic lupus erythematosis (SLE), rheumatoid arthritis (RA), etc.). Patients with a remote history of asthma or mild active asthma are eligible.