[1] Univ Texas MD Anderson Canc Ctr, Sect Mol Hematol & Therapy, Dept Leukemia, Houston, TX 77030 USA
[2] David Geffen Sch Med, Dept Orthopaed Surg, Los Angeles, CA USA
[3] Univ Texas MD Anderson Canc Ctr, CCSG Flow Cytometry & Imaging Facil, Houston, TX 77030 USA
[4] UCLA DOE Inst, Dept Biol Chem & Biochem, HHMI, Los Angeles, CA USA