[1] Klinikum Augsburg, Childrens Hosp, Swabian Childrens Canc Ctr, Augsburg, Germany
[2] Univ Hosp Muenster, Inst Neuropathol, Munster, Germany
[3] Univ Ulm, Univ Hosp Ulm, Inst Human Genet, Ulm, Germany
[4] Univ Southern Calif, Keck Sch Med, Childrens Hosp Los Angeles, Childrens Ctr Canc & Blood Dis, Los Angeles, CA USA
[5] Univ Southern Calif, Keck Sch Med, Childrens Hosp Los Angeles, Dept Pathol & Lab Med, Los Angeles, CA USA
[6] Kauno Klin, Univ Hlth Sci, Hosp Lithuanian, Dept Genet & Mol Med, Kaunas, Lithuania
[7] Iran Univ Med Sci, Rasoul Akram Med Complex, Dept Pathol, Tehran, Iran
[8] Kepler Univ Hosp Linz, Div Pediat Hematol & Oncol, Linz, Austria
[9] HELIOS Klinikum Erfurt, Childrens Hosp, Erfurt, Germany
[10] Evangel Krankenhaus Bielefeld, Childrens Ctr, Bielefeld, Germany
[11] Univ Childrens Hosp Basel UKBB, Dept Pediat Hematol & Oncol, Basel, Switzerland
[12] Dr von Haunerschen Kinderspital, Dept Pediat Hematol & Oncol, Munich, Germany
[13] Hosp St Joan de Deu, Dept Pediat Hematooncol, Barcelona, Spain
[14] Hosp Infantil Univ Nino Jesus, Dept Pediat Oncol, Madrid, Spain
[15] Our Ladys Childrens Hosp, Dept Pediat Oncol, Dublin, Ireland
[16] Univ Hosp Essen, West German Canc Ctr WTZ, Clin Particle Therapy, Essen, Germany
[17] Univ Med Ctr Hamburg Eppendorf, Dept Pediat Hematol & Oncol, Hamburg, Germany
[18] Univ Munster, Inst Biostat & Clin Res, Munster, Germany
[19] Saarland Univ Hosp Saarland, Dept Pediat Oncol & Hematol, Homburg, Germany
[20] Univ Childrens Hosp Muenster, Dept Pediat Hematol & Oncol, Munster, Germany