1. Victorian Adolescent & Young Adult Cancer Service, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
2. Adolescent and Young Adult Oncology, Princess Margaret Cancer Centre, Toronto, ON, Canada
3. Australasian Sarcoma Study Group, Melbourne, VIC, Australia
4. Australian and New Zealand Children’s Hematology/Oncology Group, Melbourne, VIC, Australia
5. Centre for Biostatistics and Clinical Trials, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
6. Children’s Cancer Centre, Royal Children’s Hospital, Melbourne, VIC, Australia
7. Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia