About the Authors

Sophie Kusy

skusy@stanford.edu

Affiliations Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California, United States of America

Eliver E. B. Ghosn

Affiliation Department of Genetics, Stanford University School of Medicine, Stanford, California, United States of America

Leonore A. Herzenberg

Affiliation Department of Genetics, Stanford University School of Medicine, Stanford, California, United States of America

Christopher H. Contag

Affiliations Department of Pediatrics, Stanford University School of Medicine, Stanford, California, United States of America, Department of Radiology, Stanford University School of Medicine, Stanford, California, United States of America, Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, United States of America, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California, United States of America

Competing Interests

CC is a founder of Xenogen Corp., now part of Caliper LifeSciences. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. All other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SK EG. Performed the experiments: SK EG. Analyzed the data: SK EG. Contributed reagents/materials/analysis tools: SK EG LH CC. Wrote the paper: SK. Revised the manuscript: EG LH CC.