[1] Univ Texas MD Anderson Canc Ctr, Dept Leukemia, 1400 Holcombe Blvd, Houston, TX 77030 USA
[2] Univ Texas Hlth Sci Ctr Houston, Dept Internal Med, Houston, TX 77030 USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Hematopathol, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Stem Cell Transplantat & Cellular The, Houston, TX 77030 USA