About the Authors

Alexander Chi

achiaz2010@gmail.com

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

Pan Ma

Affiliation Department of Radiation Oncology, Cancer Hospital and Institute, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

Guishan Fu

Affiliation Department of Radiation Oncology, Cancer Hospital and Institute, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

Gerry Hobbs

Affiliation Department of Biostatistics, West Virginia University, Morgantown, West Virginia, United States of America

James S. Welsh

Affiliation NIU Fast Neutron Radiation Therapy Facility, Fermi National Accelerator Laboratory, Batavia, Illinois, United States of America

Nam P. Nguyen

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

Si Young Jang

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

Jinrong Dai

Affiliation Department of Radiation Oncology, Cancer Hospital and Institute, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

Jing Jin

Affiliation Department of Radiation Oncology, Cancer Hospital and Institute, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China

Ritsuko Komaki

Affiliation Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AC PM GF GH JSW NPN SYJ JD JJ RK. Performed the experiments: AC PM GF NPN SYJ. Analyzed the data: GH. Contributed reagents/materials/analysis tools: JD JJ. Wrote the paper: AC PM.