About the Authors

David L. Schwartz

dschwar4@uthsc.edu

Current address: Departments of Radiation Oncology and Preventive Health, University of Tennessee-West Cancer Center, Memphis, Tennessee, United States of America

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Alan Sosa

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Stephen G. Chun

Current address: Department of Radiation Oncology, University of Texas M.D. Anderson Cancer Center, Houston, Texas, United States of America

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Chiuxiong Ding

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Xian-Jin Xie

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Lucien A. Nedzi

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Robert D. Timmerman

Contributed equally to this work with: Robert D. Timmerman, Baran D. Sumer

Affiliation Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Baran D. Sumer

Contributed equally to this work with: Robert D. Timmerman, Baran D. Sumer

Affiliation Department of Otolaryngology, Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Competing Interests

Robert Timmerman, MD, FACR received research funding unrelated to this manuscript from Accuray, Inc. (Sunnyvale, CA), which manufactures Cyberknife.

Author Contributions

Conceptualization: SC LN RT BS. Data curation: DS AS SC CD. Formal analysis: DS AS SC CD RT BS. Funding acquisition: DS RT BS. Investigation: DS AS SC CD RT BS XX LN. Methodology: DS SC CD LN RT BS. Project administration: DS RT BS. Resources: DS AS SC CD RT BS XX LN. Supervision: DS RT BS. Visualization: DS AS. Writing – original draft: DS AS SC CD. Writing – review & editing: DS AS SC CD RT BS XX LN.