[1] Bolzano Hosp, Dept Pediat, Pediat Hematol & Oncol Unit, Bolzano, Italy
[2] Univ Hosp Padova, Dept Med Dimed, Nucl Med Unit, Padua, Italy
[3] PSL Res Univ, Dept Nucl Med, Inst Curie, Paris, France
[4] Inst Hematol & Oncol Pediat, Ctr Leon Berard, Pediat Oncol Dept, Lyon, France
[5] Univ Amsterdam, Amsterdam UMC, Emma Childrens Hosp, Dept Radiol, Amsterdam, Netherlands
[6] Bristol Royal Hosp Children, Paediat Surg, Bristol, Avon, England
[7] Univ Hosp Bristol, Bristol Canc Inst, Bristol, Avon, England
[8] IRCCS, Ist Oncol Veneto IOV, Div Radiotherapy, Padua, Italy
[9] Univ Padua, Div Hematol Oncol, Dept Womens & Childrens Hlth, Padua, Italy
[10] Inst Gustave Roussy, Dept Pediatrc & Andolescent Oncol, Villejuif, France
[11] Hosp Univ Vall Hebron, Serv Oncol & Hematol Pediat, Badalona, Spain
[12] Royal Marsden Hosp, Children & Young Peoples Unit, London, England
[13] Princess Maxima Ctr Pediat Oncol, Utrecht, Netherlands