About the Authors

Angelica Sousa


Affiliation Department for Health Systems Policies and Workforce, World Health Organization, Geneva, Switzerland

Mario R. Dal Poz

Affiliation Institute of Social Medicine, University of the State of Rio de Janeiro, Rio de Janeiro, Brazil

Cynthia Boschi-Pinto

Affiliations Department for Maternal, Newborn, Child and Adolescent Health, World Health Organization, Geneva, Switzerland, Federal Fluminense University, Niterói, Rio de Janeiro, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS. Performed the experiments: AS. Analyzed the data: AS. Contributed reagents/materials/analysis tools: AS. Wrote the paper: AS. Contributed to the interpretation of results: MRDP CBP. Agreed with manuscript results and conclusions: AS MRDP CBP.