[1] Hop St Louis, Paris, France
[2] Ctr Int Blood & Marrow Transplant Res, Milwaukee, WI USA
[3] New York Blood Ctr, Natl Cord Blood Program, New York, NY 10021 USA
[4] Columbia Univ, Med Ctr, New York, NY USA
[5] Duke Univ, Med Ctr, Durham, NC USA
[6] Queen Silvia Childrens Hosp, Dept Oncol, Gothenburg, Sweden
[7] Policlin Catania, Catania, Italy
[8] Hildrens Hosp & Res, Oakland, CA USA