About the Authors

Elias Gounaris

Affiliations Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America, Division of Gastroenterology, Northwestern University Feinberg School of Medicine, Robert Lurie Comprehensive Cancer Center, Chicago, Illinois, United States of America

Ching H. Tung

Affiliations Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America, The Methodist Hospital Research Institute, Weill Cornell Medical College, Houston, Texas, United States of America

Clifford Restaino

Affiliation Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

René Maehr

Affiliations Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, United States of America, Howard Hughes Medical Institute, Cambridge, Massachusetts, United States of America

Rainer Kohler

Affiliation Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Johanna A. Joyce

Affiliation Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America

Hidde L. Plough

Affiliation Whitehead Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Terrence A. Barrett

Affiliation Division of Gastroenterology, Northwestern University Feinberg School of Medicine, Robert Lurie Comprehensive Cancer Center, Chicago, Illinois, United States of America

Ralph Weissleder

Affiliation Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America

Khashayarsha Khazaie

khazaie@northwestern.edu

Affiliations Center for Molecular Imaging Research, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts, United States of America, Division of Gastroenterology, Northwestern University Feinberg School of Medicine, Robert Lurie Comprehensive Cancer Center, Chicago, Illinois, United States of America

Competing Interests

Dr Weissleder is a shareholder of VisEn Medical in Woburn, Mass.

Author Contributions

Conceived and designed the experiments: RW KK. Performed the experiments: EG CR RK KK. Analyzed the data: EG CHT TAB. Contributed reagents/materials/analysis tools: EG CHT RM JJ HLP RW. Wrote the paper: EG KK.