About the Authors

Weihui Li

weihuil@gmail.com

Affiliation Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America

Andrew C. Ahn

Affiliations Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America, Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ACA. Performed the experiments: ACA. Analyzed the data: WL ACA. Contributed reagents/materials/analysis tools: WL ACA. Wrote the paper: WL ACA.