[1] Seoul Natl Univ, Coll Med, Canc Res Inst, Childrens Hosp,Dept Pediat, Seoul, South Korea
[2] Paris Saclay Univ, INSERM, U1015, Children & Adolescent Oncol Dept, Villejuif, France
[3] Univ Hosp Brno, Dept Pediat Oncol, Brno, Czech Republic
[4] Childrens Hlth Queensland Hosp & Hlth Serv, Paediat Oncol, South Brisbane, Australia
[5] Charles Univ Prague, Prague, Czech Republic
[6] Univ Hosp Motol, Dept Pediat Hematol & Oncol, Prague, Czech Republic
[7] Hop Enfants La Timone, Smartc, Marseille, France
[8] Asan Med Ctr, Pediat, Seoul, South Korea
[9] Fdn IRCCS Ist Nazl Tumori, Pediat Oncol Unit, Milan, Italy
[10] Bambino Gesu Pediat Hosp, Oncohematol Cell & Gene Therapy, Rome, Italy
[11] Hosp Ninos Dr Ricardo Gutierrez, Oncol, Buenos Aires, DF, Argentina
[12] Ctr Leon Berard, Lyon, France
[13] Inst Hematol & Oncol Pediat, Oncol & Hematol, Lyon, France
[14] Univ Witwatersrand, Chris Hani Baragwanath Acad Hosp, Global Pediat Med, Johannesburg, South Africa
[15] Eisai Inc, Med Oncol, Nutley, NJ USA
[16] Merck & Co Inc, Med Oncol, Rahway, NJ USA
[17] Hosp Infantil Univ Nino Jesus, Dept Pediat Hematooncol, Madrid, Spain