8. Systemic immunosuppressive medications received within 3 months prior to enrollment. The following are not excluded: [1] corticosteroid nasal spray or inhaler; [2] topical corticosteroids for mild, uncomplicated dermatitis; and [3] oral/parenteral corticosteroids administered for non-chronic conditions not expected to recur (length of therapy less than or equal to 10 days, with completion in more than or equal to 30 days prior to enrollment)