[1] Durham VA Med Ctr, Durham, NC USA
[2] Duke Univ, Sch Med, Div Hematol Malignancies & Cellular Therapy, Durham, NC USA
[3] Duke Univ, Sch Med, Dept Med, Durham, NC USA
[4] US Dept Vet Affairs, Natl Oncol Program, Washington, DC USA
[5] Duke Univ, Sch Med, Div Med Oncol, Durham, NC USA