About the Authors

Christopher J. L Murray

To whom correspondence should be addressed. E-mail: cjlm@u.washington.edu

Affiliation Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America

Alan D Lopez

Affiliation School of Population Health, University of Queensland, Herston, Queensland, Australia

Dennis M Feehan

Affiliation Institute for Health Metrics and Evaluation, University of Washington, Seattle, Washington, United States of America

Shanon T Peter

Affiliation Harvard Initiative for Global Health, Cambridge, Massachusetts, United States of America

Gonghuan Yang

Affiliation China Center for Disease Control and Prevention, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

CJLM and ADL conceived the idea for the study. CJLM led the analysis, DMF conducted analyses, STP analyzed the symptom data, and GY supervised the collection of the data. CJLM, ADL, and DMF wrote the first draft of the text.