[1] Childrens Natl Hosp, Dept Pathol & Lab Med, Washington, DC USA
[2] Childrens Natl Hosp, Ctr Canc & Blood Disorders, Washington, DC USA
[3] Childrens Natl Hosp, Ctr Canc, Washington, DC USA
[4] Childrens Natl Hosp, Immunol Res, Washington, DC USA
[5] George Washington Univ, Sch Med & Hlth Sci, Washington, DC USA
[6] Childrens Healthcare Atlanta, Aflac Canc & Blood Disorders Ctr, Atlanta, GA USA