Acknowledgements
The International Soft Tissue Sarcoma Consortium and the Pediatric Cancer Data Commons are supported in part by Cancer Research Foundation, Children’s Research Foundation, Comer Development Board, KickCancer, King Baudouin Foundation, Rally Foundation for Childhood Cancer Research, Seattle Children’s Foundation from Kat’s Crew Guild through the Sarcoma Research Fund, St Baldrick’s Foundation, and The Andrew McDonough B+ Foundation. This work is made possible through the efforts of Children’s Oncology Group, Cooperative Weichteilsarkom Studiengruppe der GPOH, The European paediatric Soft tissue sarcoma Study Group, MMT Malignant Mesenchymal Tumour Committee, and STSC AIEOP Italian Soft Tissue Sarcoma Committee.