[1] Charite Berlin Campus Virchow Klinikum, Berlin, Germany
[2] Hosp Univ Nino Jesus, Madrid, Spain
[3] Sydney Childrens Hosp, Kids Canc Ctr, Randwick, NSW, Australia
[4] Royal Marsden Hosp, London, England
[5] Inst Canc Res, London, England
[6] Sophia Childrens Univ Hosp, Erasmus MC, Rotterdam, Netherlands
[7] Princess Maxima Ctr Pediat Oncol Utrecht, Rotterdam, Netherlands
[8] Hosp Sick Children, Toronto, ON, Canada
[9] Fdn IRCCS Ist Nazl Tumori, Milan, Italy
[10] Hosp Valle De Hebron, Barcelona, Spain
[11] Univ Childrens Hosp III Essen, Essen, Germany
[12] Novartis Pharma AG, Basel, Switzerland
[13] Novartis Pharmaceut, E Hanover, NJ USA
[14] Novartis Inst Biomed Res, Oncol Clin Pharmacol, E Hanover, NJ USA
[15] Novartis Pharmaceut AG, Basel, Switzerland
[16] Univ Childrens Hosp Cologne, Cologne, Germany
[17] Univ Paris Saclay, Gustave Roussy Canc Ctr, Villejuif, France