Hemoglobin >= 10 gm/dL (transfusion is allowed to reach minimum level) Hemoglobin ? 8mg/dL (transfusion to reach this level is permitted) Hemoglobin >= 10 gm/dL (transfusion is allowed to reach minimum level) Hemoglobin greater than 8.0 g/dl; subjects may be transfused to reach this cut-off Hemoglobin greater than 8.0 g/dl; subjects may be transfused to reach this cut-off Hemoglobin > 8.0 g/dl. Subjects may be transfused to reach this cut-off. Hemoglobin (Hgb) >= 9 g/dL (acceptable to reach via transfusion) obtained within 14 days prior to initiating study treatment. Hemoglobin > 8.0 g/dl; subjects may be transfused to reach this cut-off Hemoglobin greater than 8.0 g/dl; subjects may be transfused to reach this cut-off Hemoglobin > 8.0 g/dL; subjects may be transfused to reach this cut-off Hemoglobin (Hgb) >= 10 g/dL (use of transfusion to reach this threshold prior to study initiation is acceptable) Hemoglobin >= 8.0 g/dl; subjects may be transfused to reach this cut-off Hemoglobin < 9.0 g/dL (red blood cell transfusion and erythropoietin may be used to reach at least 9.0 g/dL, but must have been administered at least 2 weeks prior to the first dose of study drug. Hemoglobin (HgB) > 9 g/dL (acceptable to reach this by transfusion) Hemoglobin >= 9 g/dL (it is acceptable to reach this through transfusion) Hemoglobin (Hgb) >= 10 g/dL (use of transfusion to reach this threshold prior to study initiation is acceptable) Hemoglobin >= 10 g/dL (it is acceptable to reach this through transfusion) Hemoglobin >= 10 g/dL (acceptable to reach this via transfusion) Hemoglobin >= 10 g/dL (acceptable to reach this via transfusion)