900
Participants
Start Date
October 23, 2017
Primary Completion Date
December 31, 2022
Study Completion Date
December 31, 2025
Biospecimen Collection
Undergo saliva or buccal mucosa collection
Laboratory Biomarker Analysis
Correlative studies
Questionnaire Administration
Ancillary studies
Childrens Oncology Group, Philadelphia
National Cancer Institute (NCI)
NIH
Children's Oncology Group
NETWORK