1. From the St Anna Children's Hospital; Children's Cancer Research Institute, Vienna, Austria; Giannina Gaslini Children's Hospital, Genoa, Italy; Centre Léon Bérard, Service de Pediatrie, Lyon; Institut Curie, Service de Pediatrie, Paris, France; Yorkshire Regional Centre for Pediatric Oncology, Leeds, West Yorkshire; Southampton General Hospital, Southampton, United Kingdom; Schneider Children's Medical Centre of Israel, Petah-Tikva, Israel; The Children's Hospital at Westmead, Sydney, Australia; and the...