About the Authors

Manuela Buonanno

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

Milda Stanislauskas

Affiliation Department of Dermatology, Columbia University Medical Center, New York, NY, United States of America

Brian Ponnaiya

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

Alan W. Bigelow

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

Gerhard Randers-Pehrson

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

Yanping Xu

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

Igor Shuryak

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

Lubomir Smilenov

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

David M. Owens

Affiliations Department of Dermatology, Columbia University Medical Center, New York, NY, United States of America, Department of Pathology & Cell Biology, Columbia University Medical Center, New York, NY, United States of America

David J. Brenner

djb3@cumc.columbia.edu

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

Competing Interests

GR-P receives royalty payments from Ushio Inc. (Tokyo, Japan) pursuant to exclusive license and research agreements with Columbia University. There is a US patent application titled “Apparatus, method, and system for selectively effecting and/or killing bacteria” number 20150073396 relating to the excilamp UV technology pertinent to this article. The authors wish to confirm that this Competing Interest does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: GR-P DMO DJB. Performed the experiments: MB MS BP AWB LS YX. Analyzed the data: MB AWB GR-P IS DJB YX. Contributed reagents/materials/analysis tools: IS DMO DJB. Wrote the paper: MB AWB GR-P DJB.