About the Authors

Linda L. Chao

linda.chao @ucsf.edu

Affiliations Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America, Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Charles DeCarli

Affiliation Department of Neurology, University of California Davis, Davis, California, United States of America

Stephen Kriger

Affiliation Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Diana Truran

Affiliation Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Yu Zhang

Affiliations Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America, Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Joel Laxamana

Affiliation Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Sylvia Villeneuve

Affiliation Helen Wills Neuroscience Institute, University of California, Berkeley, California, United States of America

William J. Jagust

Affiliations Helen Wills Neuroscience Institute, University of California, Berkeley, California, United States of America, School of Public Health, University of California, Berkeley, California, United States of America

Nerses Sanossian

Affiliation Department of Neurology, University of Southern California, Los Angeles, California, United States of America

Wendy J. Mack

Affiliation Department of Preventive Medicine, University of Southern California, Los Angeles, California, United States of America

Helena C. Chui

Affiliation Department of Neurology, University of Southern California, Los Angeles, California, United States of America

Michael W. Weiner

Affiliations Department of Radiology & Biomedical Imaging, University of California San Francisco, San Francisco, California, United States of America, Center for Imaging of Neurodegenerative Diseases, Veterans Affairs Medical Center, San Francisco, San Francisco, California, United States of America

Competing Interests

LC is a PLOS ONE Editorial Board member. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: WJ CD HC MW. Performed the experiments: SK JL DT. Analyzed the data: LC SK DT JL YZ SV NS. Wrote the paper: LC CD MW SV HC WJM.