[1] Univ Texas MD Anderson Canc Ctr, Dept Leukemia, Houston, TX 77030 USA
[2] Michael E DeBakey VA Med Ctr, Dept Hematol Oncol, Houston, TX USA
[3] Baylor Coll Med, Dan L Duncan Canc Ctr, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Stem Cell Transplantat & Cellular Therapy, Houston, TX 77030 USA