About the Authors

Raghav K. Chhetri

Affiliation Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Zachary F. Phillips

Affiliation Curriculum in Applied Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Melissa A. Troester

Affiliation Lineberger Comprehensive Cancer Center/Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Amy L. Oldenburg

aold@physics.unc.edu

Affiliations Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RKC ZFP MAT ALO. Performed the experiments: RKC ZFP MAT ALO. Analyzed the data: RKC ZFP MAT ALO. Contributed reagents/materials/analysis tools: RKC ZFP MAT ALO. Wrote the paper: RKC ZFP MAT ALO.