6. Current or prior use of immunosuppressive medication within 28 days before the infusion with MEDI4736 or MEDI4736 + tremelimumab and through 90 days post infusion, with the exceptions of intranasal and inhaled corticosteroids or systemic corticosteroids at physiological doses, which are not to exceed 10 mg/day of prednisone, or an equivalent corticosteroid.