[1] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[2] Childrens Hosp Philadelphia CHOP, Philadelphia, PA USA
[3] Childrens Hosp Philadephia, Div Hematol, Colket Bldg,11th Floor, Philadelphia, PA USA
[4] Childrens Hosp Philadelphia, Div Hematol, Philadelphia, PA 19104 USA
[5] Childrens Hosp Philadelphia, Div Hematol, Thalassemia Ctr, Philadelphia, PA 19104 USA
[6] RIKEN BioResource Ctr, Cell Engn Div, Tsukuba, Ibaraki, Japan