Department of Radiation Oncology and the Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina.
Reprint requests: John P. Kirkpatrick, MD, PhD, DUMC Box 3850, Duke University Medical Center, Durham, North Carolina 27710. E-mail: firstname.lastname@example.org.
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Received on August 14, 2006; accepted for publication on September 6, 2006.