About the Authors

Alexis Dinno

alexis.dinno@pdx.edu

Affiliation School of Community Health, Portland State University, Portland, Oregon, United States of America

Chelsea Whitney

Affiliation School of Community Health, Portland State University, Portland, Oregon, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: AD. Wrote the paper: AD CW. Conceived and designed time series analysis: AD. Obtained and prepared secondary data: AD CW.