10. Exclusionary laboratory: Serum creatinine >2 mg/dL, ALT or AST > 2.0 x ULN, total bilirubin > 2.0 x ULN, platelet count <100 x 109 /L, hemoglobin < 8.5 g/dL, WBC count < 1,000/mm3 , absolute neutrophil count < 1,000/ mm3, absolute lymphocyte count < 500/mm3, positive HBsAg or HCV antibody, or positive HIV test.