About the Authors

Edmund Seto

Affiliation Environmental & Occupational Health Sciences, School of Public Health, University of Washington, Seattle, Washington, United States of America

Jenna Hua

jenna_hua@berkeley.edu

Affiliation Environmental Health Sciences, School of Public Health, University of California, Berkeley, California, United States of America

Lemuel Wu

Affiliation Electrical Engineering and Computer Science, School of Engineering, University of California, Berkeley, California, United States of America

Victor Shia

Affiliation Electrical Engineering and Computer Science, School of Engineering, University of California, Berkeley, California, United States of America

Sue Eom

Affiliation Public Health Nutrition, School of Public Health, Seoul National University, Seoul, South Korea

May Wang

Affiliation Community Health Sciences, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California, United States of America

Yan Li

Affiliation Maternal and Child Health, School of Public Health, Kunming Medical University, Kunming, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JH. Performed the experiments: JH. Analyzed the data: ES. Contributed reagents/materials/analysis tools: LW VS. Wrote the paper: ES. Developed the app: ES. Advised the study design: ES. Contributed to the study design: MW YL. Participated in the study data collection: SE. Contributed to the editing of the manuscript: JH MW YL. Managed the study data collection and diet assessment: JH. Contributed to the Google Places food environment analysis: LW VS.