About the Authors

Sani-Gwarzo Nasir

Affiliation Federal Ministry of Health, Abuja, Nigeria

Gambo Aliyu

algambo@yahoo.com

Affiliation Health and Human Services, Federal Capital Territory, Abuja, Nigeria

Inuwa Ya'u

Affiliation National Primary Health Care Development Agency, Abuja, Nigeria

Muktar Gadanya

Affiliation Aminu Kano Teaching Hospital, Kano, Nigeria

Muktar Mohammad

Affiliation Federal Ministry of Health, Abuja, Nigeria

Mahmud Zubair

Affiliation National Primary Health Care Development Agency, Abuja, Nigeria

Samer S. El-Kamary

Affiliation Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SGN MMZ IBY MM. Performed the experiments: SGN IBY MG MMZ MM. Analyzed the data: GA SE. Wrote the first draft of the manuscript: GA. Contributed to the writing of the manuscript: GA SGN MG IBY MM MMZ SE. ICMJE criteria for authorship read and met: GA SGN MG IBY MM MMZ SE. Agree with manuscript results and conclusions: GA SGN MG IBY MM MMZ SE.