About the Authors
- Stephen D. Barr, James R. Smiley
- Department of Medical Microbiology and Immunology, University of Alberta, Alberta Institute for Viral Immunology, Edmonton, Alberta, Canada
- Frederic D. Bushman
- Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SDB JRS FDB. Performed the experiments: SDB. Analyzed the data: SDB JRS FDB. Contributed reagents/materials/analysis tools: SDB JRS FDB. Wrote the paper: SDB JRS FDB.