[1] Childrens Hosp Los Angeles, Childrens Ctr Canc & Blood Dis, Los Angeles, CA 90027 USA
[2] Univ Southern Calif, Keck Sch Med, Dept Pediat, Los Angeles, CA 90007 USA
[3] Univ Southern Calif, Keck Sch Med, Dept Med, Los Angeles, CA 90007 USA
[4] Great Ormond St Hosp Sick Children, Dept Haematol & Oncol, London, England
[5] Stanford Univ, Dept Otolaryngol Head & Neck Surg, Palo Alto, CA 94304 USA
[6] Hosp Sick Children, Dept Pharm, Toronto, ON, Canada
[7] Hosp Sick Children, Res Inst, Child Hlth Evaluat Sci, Toronto, ON, Canada
[8] Hosp Sick Children, Div Haematol & Oncol, Toronto, ON M5G 1X8, Canada
[9] Univ Toronto, Leslie Dan Fac Pharm, Toronto, ON, Canada
[10] Casa Saude Santa Marcelina, Dept Pediat Oncol, Sao Paulo, Brazil
[11] Oregon Hlth & Sci Univ, Doernbecher Childrens Hosp, Pediat Audiol, Portland, OR 97201 USA
[12] Pediat Oncol Grp Ontario, Toronto, ON, Canada
[13] Leeds Teaching Hosp, NHS Trust, Dept Haematol & Oncol, Leeds, W Yorkshire, England
[14] Univ York, Ctr Reviews & Disseminat, York, N Yorkshire, England
[15] Royal Marsden Hosp, Div Oncol, London, England
[16] Great Ormond St Hosp Sick Children, London, England
[17] Royal Childrens Hosp, Childrens Canc Ctr, Melbourne, Vic, Australia
[18] Univ Melbourne, Fac Med, Dept Paediat, Melbourne, Vic, Australia