[1] Cornell Univ, Weill Med Coll, New York, NY 10021 USA
[2] Univ Paris Est, Hop Henri Mondor, AP HP, Creteil, France
[3] Osped Regina Apostolorum, Dept Med Sci, Albano Laziale, Italy
[4] Hop Henri Mondor, Ctr Hosp Univ, F-94010 Creteil, France
[5] Tulane Univ, Sch Med, New Orleans, LA 70112 USA
[6] Childrens Hosp, Boston, MA 02115 USA
[7] Charite, Dept Pediat Oncol Hematol, Berlin, Germany
[8] Univ Turin, Dept Pediat, Hematol Unit, I-10124 Turin, Italy
[9] Washington Univ, Sch Med, St Louis, MO USA
[10] Imperial Healthcare NHS Trust, Dept Haematol, Hammersmith Hosp, London, England
[11] New York Presbyterian Hosp, Dept Pediat, New York, NY USA
[12] New York Presbyterian Hosp, Dept Med, Div Hematol, New York, NY USA