About the Authors

John A. Shepherd

john.shepherd@ucsf.edu

Affiliations Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America, Graduate Program in Bioengineering, University of California San Francisco, San Francisco, California, United States of America, Graduate Program in Bioengineering, University of California, Berkeley, California, United States of America

Bennett K. Ng

Affiliations Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America, Graduate Program in Bioengineering, University of California San Francisco, San Francisco, California, United States of America, Graduate Program in Bioengineering, University of California, Berkeley, California, United States of America

Bo Fan

Affiliation Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America

Ann V. Schwartz

Affiliation Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America

Peggy Cawthon

Affiliation San Francisco Coordinating Center, California Pacific Medical Center Research Institute, San Francisco, California, United States of America

Steven R. Cummings

Affiliation San Francisco Coordinating Center, California Pacific Medical Center Research Institute, San Francisco, California, United States of America

Stephen Kritchevsky

Affiliation San Francisco Coordinating Center, California Pacific Medical Center Research Institute, San Francisco, California, United States of America

Michael Nevitt

Affiliation Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, United States of America

Adam Santanasto

Affiliation Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Timothy F. Cootes

Affiliation Centre for Imaging Sciences, University of Manchester, Manchester, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: JAS TFC. Data curation: JAS BF BKN. Formal analysis: JAS BF. Funding acquisition: JAS BKN BF. Investigation: JAS BKN BF TFC. Methodology: JAS BKN BF TFC. Project administration: JAS. Resources: JAS. Software: TFC BKN. Supervision: JAS. Validation: JAS TFC BKN BF. Visualization: TFC. Writing – original draft: JAS. Writing – review & editing: JAS BKN BF AVS PC SRC SK MN AS TFC.