[1] CHU Arnaud Villeneuve, Hematol & Oncol Pediat, Montpellier, France
[2] Univ Childrens Hosp, Paediat Haematol & Oncol, Bonn, Germany
[3] Inst Hemato Oncol Pediat, Hemato Oncol Pediat, Lyon, France
[4] Med Univ Vienna, Dept Paediat, Vienna, Austria
[5] Univ Childrens Hosp, Dept Oncol, Zurich, Switzerland
[6] St Olavs Univ Hosp, Dept Children & Adolescents, Trondheim, Norway
[7] BOND Linkoping Univ Hosp, Dept Paediat Oncol, Linkoping, Sweden
[8] Dept Haemato Oncol Gaslini Childrens Hosp, Unit Neurooncol, Genoa, Italy
[9] Hannover Med Sch, Dept Paediat Hematol Oncol, Hannover, Germany
[10] Paris Proton Ctr, Orsay, France
[11] Inst Curie, Dept Radiat Oncol, Paris, France
[12] Univ Hosp, Dept Paediat Haematol & Oncol, Cambridge, England
[13] Ctr Leon Berard, Dept Biostat, Lyon, France
[14] IHOPE, Pediat, Bron, France