HSCT indicates hematopoietic stem cell transplantation; UCB, umbilical cord blood; N/A, not applicable; HD, Hodgkin disease; and MM, multiple myeloma.

*All feeder cells were gamma irradiated.

†K562-CD64-CD84-41BBL-truncated CD19-mbIL21.

CD3⁻/CD56⁺ indicates a 2-step purification of NK cells: CD3 depletion and a subsequent CD56 positive selection.