- Available related donor that is at least an allele level haplotype-match at human leukocyte antigen (HLA)- A, B, C, DRB1 and DPB1 loci (DPB1 matching according to the "permissive - non-permissive" dichotomy as stated by University of Wisconsin [UW] Histocompatibility Laboratory); a minimum match of 5/10 loci is required; an unrelated donor search is not required for a patient to be eligible for this protocol