[1] Univ Med Ctr, Dept Pediat & Adolescent Med, Pediat Hematol & Oncol, Freiburg, Germany
[2] St Jude Childrens Res Hosp, Dept Hematol, Memphis, TN USA
[3] Princess Maxima Ctr, Diagnost Lab Dcog Lab, Utrecht, Netherlands
[4] Ghent Univ Hosp, Dept Pediat Hematoloncol & Stem Cell Transplantat, Ghent, Belgium
[5] St Anna Childrens Hosp, Childrens Canc Res Inst Ccri, Vienna, Austria
[6] Aarhus Univ Hosp Skejby, Dept Pediat, Aarhus, Denmark
[7] Univ Bologna, Dept Pediat Oncol & Hematol, Bologna, Italy
[8] Charles Univ Prague, Prague, Czech Republic
[9] Univ Hosp Motol, Dept Pediat Hematol & Oncol, Prague, Czech Republic
[10] Skane Univ Hosp, Dept Pediat Oncol Hematol, Lund, Sweden
[11] Wroclaw Med Univ, Dept Paediat Bone Marrow Transplantat, Bmt Unit Cic 817, Oncol & Hematol, Wroclaw, Poland
[12] Dr Hauner Childrens Hosp, Dept Pediat, Munich, Germany
[13] Univ Hosp Frankfurt, Div Stem Cell Transplantat & Immunol, Frankfurt, Germany
[14] Ghent Univ Hosp, Dept Pediat Hematol Oncol & Stem Cell Transplanta, Ghent, Belgium
[15] Christian Albrechts Univ Kiel, Kiel, Germany
[16] Univ Med Ctr Schleswig Holstein, Dept Pediat, Kiel, Germany
[17] Univ Hosp Essen, Dept Pediat & Adolescent Med, Essen, Germany
[18] Charite Univ Med Berlin, Dept Pediat Oncol 15, Berlin, Germany
[19] Princess Maxima Ctr Pediat Oncol, Dept Pediat, Utrecht, Netherlands
[20] Univ Med Ctr Hamburg Eppendorf, Dept Pediat Hematol & Oncol 17, Hamburg, Germany
[21] St Anna Childrens Hosp, Dept Pediat, Vienna, Austria
[22] Hannover Med Sch, Pediat Hematol & Oncol, Hannover, Germany
[23] Fdn IRCCS PoliclinSan Matteo, Pediat Hematol Oncol, Pavia, Italy
[24] Hannover Med Sch, Dept Human Genet, Hannover, Germany
[25] Univ Freiberg, Dept Pediat Hematol & Oncol, Freiburg, Germany
[26] Univ Freiburg, Med Ctr, Fac Med, Pediat & Adolescent Med, Freiburg, Germany
[27] Univ Med Ctr Freiburg, Div Pediat Hematol & Oncol, Freiburg, Germany
[28] Univ Rome, Dept Pediat Hematol & Oncol, Osped Pediatrico Bambino Gesu, Sapienza, Rome, Italy