1. Section of Hematology Oncology; University of Chicago Medicine and Comprehensive Cancer Center; Chicago Illinois USA
2. Alliance for Clinical Trials in Oncology; Chicago Illinois USA
3. Hematological Malignancies Program; St. Jude Children's Research Hospital; Memphis Tennessee USA
4. Department of Pharmaceutical Sciences; St. Jude Children's Research Hospital; Memphis Tennessee USA
5. Department of Biostatistics; St. Jude Children's Research Hospital; Memphis Tennessee USA
6. Alliance Statistics and Data Center; Division of Biomedical Statistics and Informatics; Mayo Clinic; Rochester Minnesota USA
7. University of Pennsylvania, ECOG-ACRIN Cancer Research Group; Philadelphia Pennsylvania USA
8. Cleveland Clinic; Southwest Oncology Cooperative Group; Cleveland Ohio USA