Accepted for Publication: May 12, 2014.
Published Online: August 25, 2014. doi:10.1001/jamapediatrics.2014.1023.
Study concept and design: Goodman, Reilly, Fisher, Fitzgerald, Seif, Bagatell, Aplenc.
Acquisition, analysis, or interpretation of data: Goodman, Fisher, Fitzgerald, Li, Seif, Huang, Bagatell, Aplenc.
Drafting of the manuscript: Goodman, Aplenc.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Fisher, Li, Huang.
Obtained funding: Aplenc.
Administrative, technical, or material support: Goodman, Fitzgerald, Bagatell, Aplenc.
Study supervision: Reilly, Fisher, Bagatell, Aplenc.
Conflict of Interest Disclosures: Dr Fisher receives research funding from Pfizer unrelated to this project. No other disclosures were reported.
Funding/Support: This study was supported by grant R01CA165277 from the National Institutes of Health and by grant sponsor Hematologic Research Malignancies Fund at the Children’s Hospital of Philadelphia.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.