[1] BC Canc Res Ctr, Terry Fox Lab, Vancouver, BC, Canada
[2] Univ British Columbia, Vancouver, BC, Canada
[3] BC Canc Agcy, Terry Fox Lab, Vancouver, BC, Canada
[4] STEMCELL Technol Inc, Vancouver, BC, Canada
[5] Univ Tubingen, Univ Childrens Hosp Tubingen, Dept Hematol, Tubingen, Germany
[6] Univ Tubingen Hosp, Dept Hematol, Tubingen, Germany
[7] Univ Paris Sud 11, Hop Univ Paris Sud Bicetre, Inst Natl U935 Sante & Rech Med, Paris, France