[1] Univ Texas MD Anderson Canc Ctr, Dept Leukemia, Sect Mol Hematol & Therapy, Houston, TX 77030 USA
[2] Univ Texas MD Anderson Canc Ctr, Div Pathol & Lab Med Clin Trial Operat, Houston, TX 77030 USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Leukemia, Houston, TX 77030 USA
[4] Univ Texas MD Anderson Canc Ctr, Dept Immunol, Houston, TX USA
[5] Astex Pharmaceut, Cambridge, England
[6] Astex Pharmaceut Inc, Pleasanton, CA USA