7. Creatinine clearance (calculated with Cockcroft and Gault formula) ≥ 55 ml/min, polymorphonuclear neutrophils ≥ 1500 G/L, platelets ≥ 80 G/L, prothrombin ≥ 40% (INR ≤ 2.3), serum albumin ≥ 28 g/l, serum bilirubin ≤ 3 x LSN.