About the Authors
Department of Microbiology, University of Colorado Denver, Anschutz Medical Center, Aurora, Colorado, United States of America
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
The Vascular Biology Program, Children's Hospital Boston, and Department of Surgery, Harvard Medical School, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MLV MJS HG JC. Performed the experiments: MLV MJS AIV SJW REB JC. Analyzed the data: MLV MJS AIV SJW HG REB JC. Contributed reagents/materials/analysis tools: AIV SJW HG REB. Wrote the paper: MLV JC.