*University of Cincinnati Cancer Center, Cincinnati

§§Summa Health System—Akron Campus, Akron, OH

†NRG Oncology Statistics and Data Management Center

∥Fox Chase Cancer Center, Philadelphia, PA

‡Columbia University Medical Center

§§§Memorial Sloan Kettering Cancer Center, New York, NY

§M D Anderson Cancer Center, Houston

‡‡University of Texas Medical Branch, Galveston, TX

¶Baptist Medical Center South, Jacksonville, FL

#Juravinski Cancer Centre at Hamilton Health Sciences, Hamilton, ON

**Montefiore Medical Center—Moses Campus, Bronx NY

††University of Colorado Denver, Aurora, CO

∥∥Washington University School of Medicine, Saint Louis, MO

¶¶Dartmouth-Hitchcock Medical Center, Lebanon, NH

##Saint Joseph Mercy Hospital, Ann Arbor, MI

***Intermountain Medical Center, Murray, UT

†††Brigham and Women’s Hospital, Boston MA

‡‡‡Mount Sinai Medical Center, New York, NY

This project was supported by grants U10CA180868 (NRG Oncology Operations), U10CA180822 (NRG Oncology SDMC), UG1CA189867 (NCORP) from the National Cancer Institute (NCI).

The authors declare no conflicts of interest.

Correspondence: Jordan R. Kharofa, MD, University of Cincinnati Cancer Center, 234 Goodman Street, ML 0757, Cincinnati, OH 45267. E-mail: [email protected].

Supplemental Digital Content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website, www.amjclinicaloncology.com.