About the Authors

Antoinette Alas Bhattacharya

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

antoinette.bhattacharya@lshtm.ac.uk

Affiliation Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Nasir Umar

Roles Writing – review & editing

Affiliation Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Ahmed Audu

Roles Resources, Writing – review & editing

Affiliation State Primary Health Care Development Agency, Gombe, Nigeria

Habila Felix

Roles Resources, Writing – review & editing

Affiliation State Primary Health Care Development Agency, Gombe, Nigeria

Elizabeth Allen

Roles Writing – review & editing

Affiliation Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom

Joanna R. M. Schellenberg

Roles Writing – review & editing

Affiliation Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Tanya Marchant

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Competing Interests

Mr Felix Habila and Mr Ahmed Audu are members of the Gombe State Primary Health Care Development Agency. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The authors declare no other competing interests.