Author Contributions: Dr Zietman had full access
to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Zietman, Slater,
Rossi, Miller, Shipley.
Acquisition of data: Zietman, Slater, Rossi,
Analysis and interpretation of data: Zietman,
DeSilvio, Rossi, Shipley.
Drafting of the manuscript: Zietman, Slater,
Critical revision of the manuscript for important
intellectual content: DeSilvio, Rossi, Miller, Adams, Shipley.
Statistical analysis: Zietman, DeSilvio.
Obtained funding: Shipley.
Administrative, technical, or material support:
Slater, Rossi, Miller.
Study supervision: Zietman, Slater, Rossi,
Financial Disclosures: None reported.
Funding/Support: This trial was supported by
National Cancer Institute grant P01 CA21239.
Role of the Sponsor: The National Cancer Institute
had no role in the design and conduct of the study; in the collection, analysis,
and interpretation of tha data; or the preparation, review, or approval of
Acknowledgment: We thank Susan Dean, BS, for
her fine data support. We also thank Herman Suit, MD, PhD, Michael Goitein,
PhD, and James Slater, MD, for their efforts and inspiration in building the
proton beam programs at the 2 sites.