90
Participants
Start Date
October 31, 2011
Primary Completion Date
May 31, 2016
Study Completion Date
May 31, 2016
DNA methylation analysis
RNA analysis
mutation analysis
nucleic acid sequencing
polymerase chain reaction
polymorphism analysis
laboratory biomarker analysis
medical chart review
National Cancer Institute (NCI)
NIH
Children's Oncology Group
NETWORK