About the Authors

Peter H. Kilmarx

peter.kilmarx@nih.gov

Affiliation Fogarty International Center, National Institutes of Health, Bethesda, Maryland, United States of America

Raiva Simbi

Affiliation Ministry of Health and Child Care, Harare, Zimbabwe

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: PK. Contributed to the writing of the manuscript: PHK RS. Agree with the manuscript’s results and conclusions: PHK RS. The authors have read, and confirm that they meet, ICMJE criteria for authorship.