329
Participants
Start Date
June 30, 2007
Primary Completion Date
May 31, 2016
Study Completion Date
May 31, 2016
laboratory biomarker analysis
Correlative studies
polymerase chain reaction
Correlative studies
polyacrylamide gel electrophoresis
Correlative studies
DNA analysis
Correlative studies
Children's Oncology Group, Monrovia
National Cancer Institute (NCI)
NIH
Children's Oncology Group
NETWORK