Time to engraftment defined as the first 3 consecutive days in which ANC >= 500 in both arms (standard myeloablative CBT with and without off-the-shelf expanded cord blood progenitors) Up to 2 years [clinicaltrials_resource:47683a2e2e1b2460a0b0eceb7ded2d32]

The log-rank test will be used. Groups will be compared using Gray's test.

Time to engraftment defined as the first 3 consecutive days in which ANC >= 500 in both arms (standard myeloablative CBT with and without off-the-shelf expanded cord blood progenitors) Up to 2 years [clinicaltrials_resource:47683a2e2e1b2460a0b0eceb7ded2d32]

The log-rank test will be used. Groups will be compared using Gray's test.