About the Authors

Erin Anastasi

Contributed equally to this work with: Erin Anastasi, Ekanem Ekanem, Olivia Hill

Affiliations United Nations Population Fund, New York, United States of America, Operational Centre Barcelona, Médecins sans Frontières / Doctors without Borders, Barcelona, Spain

Ekanem Ekanem

Contributed equally to this work with: Erin Anastasi, Ekanem Ekanem, Olivia Hill

Affiliation Department of Community Health & Primary Care, College of Medicine, University of Lagos, Lagos, Nigeria

Olivia Hill

Contributed equally to this work with: Erin Anastasi, Ekanem Ekanem, Olivia Hill

Affiliation Operational Centre Barcelona, Médecins sans Frontières / Doctors without Borders, Barcelona, Spain

Agnes Adebayo Oluwakemi

‡ These authors also contributed equally to this work

Affiliation Operational Centre Barcelona, Médecins sans Frontières / Doctors without Borders, Barcelona, Spain

Oluwatosin Abayomi

‡ These authors also contributed equally to this work

Affiliations Operational Centre Barcelona, Médecins sans Frontières / Doctors without Borders, Barcelona, Spain, Turquoise Zeta Consult, Lagos, Nigeria

Andrea Bernasconi

doigb2@yahoo.it

‡ These authors also contributed equally to this work

Affiliations Operational Centre Barcelona, Médecins sans Frontières / Doctors without Borders, Barcelona, Spain, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland

Competing Interests

Oluwatosin Abayomi, our co-author, has been employed by "Turquoise Zeta Consult" after the end of the study. There is no relation between "Turquoise Zeta Consult" and the assessment carried out by Dcotors without Borders in Lagos in 2012. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: OH AB. Data curation: AB EE. Formal analysis: EE AB EA. Investigation: EA AAO OA. Methodology: AB. Project administration: AB. Supervision: AB. Validation: EE AB. Visualization: AB EE OH. Writing – original draft: EA OH EE AB. Writing – review & editing: AB OH EA EE.