About the Authors

Thomas E. Novotny


Affiliation Graduate School of Public Health, San Diego State University, San Diego, California, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: TEN. Contributed to the writing of the manuscript: TEN. ICMJE criteria for authorship read and met: TEN. Agree with manuscript results and conclusions: TEN.