About the Authors

Rick S Mitchell, Brett F Beitzel, Frederic D Bushman
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America

Astrid R. W Schroder
Gen-Probe, San Diego, California, United States of America

Paul Shinn, Huaming Chen, Joseph R Ecker
Genomic Analysis Laboratory, The Salk Institute, La Jolla, California, United States of America

Charles C Berry
Department of Family/Preventive Medicine, University of California at San Diego School of Medicine, San Diego, California, United States of America

Corresponding Author

bushman@mail.med.upenn.edu

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

RSM, BFB, ARWS, CCB, JRE, and FDB conceived and designed the experiments. RSM, BFB, ARWS, PS, HC, CCB, JRE, and FDB performed the experiments. RSM, BFB, ARWS, PS, HC, CCB, HCB, JRE, and FDB analyzed the data. RSM, BFB, CCB, JRE, and FDB wrote the paper.