About the Authors

Igor Shuryak

is144@columbia.edu

Affiliation Center for Radiological Research, Columbia University Medical Center, New York, New York, United States of America

Lubomir B. Smilenov

Affiliation Center for Radiological Research, Columbia University Medical Center, New York, New York, United States of America

Norman J. Kleiman

Affiliation Center for Radiological Research, Columbia University Medical Center, New York, New York, United States of America

David J. Brenner

Affiliation Center for Radiological Research, Columbia University Medical Center, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IS DJB. Performed the experiments: IS LBS NJK. Analyzed the data: IS. Contributed reagents/materials/analysis tools: LBS NJK. Wrote the manuscript: IS DJB.