About the Authors

Sean D. Young

sdyoung@mednet.ucla.edu

Affiliation Department of Family Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Greg Szekeres

Affiliation Program in Global Health, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Thomas Coates

Affiliation Program in Global Health, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SY GS TC. Performed the experiments: SY. Analyzed the data: SY. Contributed reagents/materials/analysis tools: SY. Wrote the paper: SY GS TC.