About the Authors

Sarah Keasey

Affiliation United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America

Christine Pugh

Affiliation United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America

Alexander Tikhonov

Affiliation Life Technologies, Carlsbad, California, United States of America

Gengxin Chen

Affiliation Life Technologies, Carlsbad, California, United States of America

Barry Schweitzer

Affiliation Life Technologies, Carlsbad, California, United States of America

Aysegul Nalca

Affiliation United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America

Robert G. Ulrich

rulrich@bioanalysis.org

Affiliation United States Army Medical Research Institute of Infectious Diseases, Frederick, Maryland, United States of America

Competing Interests

AT, GC and BS were employees of Invitrogen/Life Technologies during the performance of this project. All other authors have no conflicts.

Author Contributions

Conceived and designed the experiments: RGU. Performed the experiments: SK CP AN. Analyzed the data: SK CP AN RGU. Contributed reagents/materials/analysis tools: SK CP AT GC BS AN RGU. Wrote the paper: SK RGU.