[1] Hannover Med Sch, Dept Human Genet, Hannover, Germany
[2] Klinikum Stuttgart Olgahospital, Pediat Oncol Hematol Immunol 5, Stuttgart, Germany
[3] Univ Childrens Hosp, Heinrich Heine Univ, Med Fac Dept Pediat Oncol, Hematol & Clin Immunol, Dusseldorf, Germany
[4] Univ Childrens Hosp Tuebingen, Gen Pediat Hematol Oncol, Tubingen, Germany
[5] Univ Med Ctr Ulm, Dept Pediat & Adolescent Med, Ulm, Germany
[6] Univ Childrens Hosp Muenster, Pediat Hematol & Oncol, Munster, Germany
[7] Univ Med Ctr Ulm, Dept Pediat & Adolescent Med, Ulm, Germany
[8] Charite, Dept Pediat Oncol & Hematol, Berlin, Germany
[9] Univ Freiburg, Fac Med, Div Pediat Hematol & Oncol Med Ctr, Freiburg, Germany
[10] Univ Hosp Essen, Pediat Oncol & Hematol Pediat, Pediat 3, Essen, Germany
[11] Swabian Childrens Canc Ctr, Childrens Hosp Augsburg, Augsburg, Germany
[12] Univ Saarland, Dept Pediat Hematol & Oncol, Homburg, Germany
[13] Heinrich Heine Univ, Dept Otorhinolaryngol & Head Neck Surg, Dusseldorf, Germany
[14] Univ Cologne, Dept Pediat Hematol & Oncol, Cologne, Germany
[15] Univ Med Ctr Hamburg Eppendorf, Dept Pediat Hematol & Oncol, Hamburg, Germany
[16] Univ Erlangen Nurnberg, Inst Human Genet, Erlangen, Germany
[17] Hannover Med Sch, Hannover Unified Biobank, Hannover, Germany
[18] Johannes Gutenberg Univ Mainz, Univ Med Ctr Johannes Gutenberg, German Childhood Canc Registry GCCR, Inst Med Biostatist Epidemiol & Informat IMBEI, Mainz, Germany
[19] Ludwig Maximilians Univ Munchen, Dept Pediat Surg, Dr Hauner Childrens Hosp, Munich, Germany
[20] Univ Med Ctr, Oncol & Stem Cell Transplantat, Aachen, Germany
[21] Justus Liebig Univ, Dept Pediat Hematol & Oncol, Giessen, Germany
[22] Univ Med Ctr Goettingen, Div Pediat Hematol & Oncol, Gottingen, Germany
[23] Univ Heidelberg Hosp, Dept Pediat Oncol Hematol & Immunol, Heidelberg, Germany
[24] Hannover Med Sch, Pediat Hematol & Oncol, Hannover, Germany
[25] Univ Kiel, Kiel Paediat Tumor Registry, Dept Paediat Pathol, Kiel, Germany
[26] Univ Hosp Essen, Inst Human Genet, Essen, Germany
[27] Univ Hosp Essen, Eye Oncogenet Res Grp, Essen, Germany
[28] Klinikum Kassel, Dept Pediat Oncol, Kassel, Germany
[29] Helmholtz Zentrum Munich, Clin Cooperat Grp Osteosarcoma, Neuherberg, Germany
[30] Tech Univ Munich, Pediat Oncol Ctr, Munich, Germany
[31] Childrens Hosp, Hannover Med Sch, Dept Surg, Hannover, Germany
[32] German Canc Res Ctr, Div Pediat Neuro Oncol, Heidelberg, Germany
[33] Univ Med Ctr Mainz, Dept Pediat Hematol Oncol, Mainz, Germany
[34] Univ Tubingen, Inst Med Genet & Appl Gen, Tubingen, Germany
[35] Pediat Clin, Dortmund, Germany
[36] Univ Hosp Schleswig Holstein, Dept Pediat, Campus Kiel, Kiel, Germany
[37] Univ Med Ctr Goettingen, Dept Pediat, Div Pediat Hematol & Oncol, Gottingen, Germany
[38] Univ Hosp Geneva, Div Pediat Hematol & Oncol, Geneva, Switzerland
[39] Otto Guericke Univ, Childrens Hosp, Pediat Oncol, Magdeburg, Germany
[40] Otto Guericke Univ, Inst Human Genet, Univ Hosp Magdeburg, Magdeburg, Germany