[1] Natl Ctr Tumor Dis, D-69120 Heidelberg, Germany
[2] Univ Freiburg, Fac Biol, Freiburg, Germany
[3] UCL, Inst Child Hlth, Mol Immunol Unit, London, England
[4] Univ Freiburg, Dept Internal Med 1, Freiburg, Germany
[5] Erasmus MC, Dept Hematol, Rotterdam, Netherlands
[6] Great Ormond St Hosp Sick Children, Dept Clin Immunol, London WC1N 3JH, England
[7] Erasmus MC, Dept Immunol, Rotterdam, Netherlands
[8] Delft Univ Technol, Fac Elect Engn Math & Comp Sci, Informat & Commun Theory Grp, Delft, Netherlands
[9] Tumor Ctr Heidelberg Mannheim, Dept Med Biostat, Heidelberg, Germany
[10] Cincinnati Childrens Res Fdn, Div Expt Hematol, Cincinnati, OH USA