Gene Expression Profiling of Ewing Sarcoma Tumors Reveals the Prognostic Importance of Tumor-Stromal Interactions: A Report from the Children's Oncology Group.

"raw data cel files and normalized data for these and the validation set (see below) are available at geo (gse63157). table 1 . raw data"

"The authors have no conflicts of interest to disclose"

"The authors would like to thank Drs. Michele Wing, Andreas Braeuninger, Richard Sposto and Diana Abdueva for technical and statistical support. Grant support: SPECS 1U01CA11475 (TJT, ERL), the Chair's Grant U10 CA98543 and Human Specimen Banking Grant U24 CA114766 of the Children's Oncology Group. Additional support for research is provided by a grant from the WWWW (QuadW) Foundation, Inc. (www.QuadW.org) to the Children's Oncology Group, by the SARC Sarcoma SPORE 5U54CA168512 (ERL), the St. Baldrick's Foundation (SLV) and the Daniel P. Sullivan Fund (RBW). The Euro‐EWING group received funding from German Cancer Aid DKH‐108128, by Federal Ministry of Education and Research Germany BMBF 01GM0869 and ERA NET, 01KT1310."