White blood cell count≥3000/mm3 (2000/mm3) Platelet count≥10.0*104/mm3 (5.0*104/mm3) Aspartate aminotransferase≤100 IU/l Alanine aminotransferase≤100 IU/l Total bilirubin≤2.0 mg/dl Serum creatinine≤1.5 mg/dl