 - Corticosteroid use 14 days prior to registration; NOTE: Patients must be off systemic corticosteroids for at least 2 weeks prior to registration; this includes oral or IV route of administration; patients on chronic corticosteroids for adrenal insufficiency or other reasons may enroll if they receive less than 10 mgday of prednisone or equivalent; patients receiving inhaled or intranasal or intra-articular steroids are not excluded 