5. Laboratory and diagnostic test parameters: Direct bilirubin </= 1 mg/dL; Alanine transaminase (ALT) </= 3 x upper limit of normal; Serum creatinine </= 1.5 x the upper limit of normal and creatinine clearance >/= 50; Diffusing capacity for carbon monoxide (DLCO) > 50% of predicted corrected for hemoglobin; LVEF >/= 50%.