About the Authors

Nam P. Nguyen

NamPhong.Nguyen@yahoo.com

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Misty Ceizyk

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Paul Vos

Affiliation Department of Biostatistics, East Carolina University, Greenville, North Carolina, United States of America

Michael Betz

Affiliation Hirslanden Radiation Oncology Institute, Lausanne, Switzerland

Alexander Chi

Affiliation Department of Radiation Oncology, West Virginia University, Morgantown, West Virginia, United States of America

Fabio Almeida

Affiliation Southwest PET-CT Institute, Tucson, Arizona, United States of America

Rick Davis

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Benjamin Slane

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Steven Gelumbauskas

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Lexie Smith-Raymond

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Dave Abraham

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Michelle Stevie

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Siyoung Jang

Affiliation Department of Radiation Oncology, University of Arizona, Tucson, Arizona, United States of America

Vincent Vinh-Hung

Affiliation Department of Radiation Oncology, University Hospitals of Geneva, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interest exists.

Author Contributions

Performed statistical analysis: PV. Conceived and designed the experiments: NPN MC PV MB AC FA RD BS SG LSR DA MS SJ VVH. Performed the experiments: NPN MC. Analyzed the data: NPN MC PV MB AC FA RD BS SG LSR DA MS SJ VVH. Wrote the paper: NPN MC PV MB AC FA RD BS SG LSR DA MS SJ VVH.