About the Authors

Sydney Rosen, Matthew P. Fox
Center for Global Health and Development, Boston University, Boston, Massachusetts, United States of America

Sydney Rosen, Matthew P. Fox
Health Economics and Epidemiology Research Office, Wits Health Consortium, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Matthew P. Fox
Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, United States of America

Corresponding Author

sbrosen@bu.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SR MPF. Performed the experiments: SR MPF. Analyzed the data: SR MPF. Contributed reagents/materials/analysis tools: SR MPF. Wrote the paper: SR MPF. ICMJE criteria for authorship read and met: SR MPF. Agree with the manuscript's results and conclusions: SR MPF. Wrote the first draft of the paper: SR.