About the Authors

Alexandra Czerniewska

Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Alexandra.czerniewska@lshtm.ac.uk

Affiliation Department for Disease Control, London School of Hygiene & Tropical Medicine, London, England, United Kingdom

Winnie C. Muangi

Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliation Department of Economics, University of Dar es Salaam, Dar es Salaam, Tanzania

Robert Aunger

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Department for Disease Control, London School of Hygiene & Tropical Medicine, London, England, United Kingdom

Khalid Massa

Roles Conceptualization, Writing – review & editing

Affiliation Environmental Health and Sanitation Section, Ministry of Health, Community Development, Gender, Elderly and Children, Dar es Salaam, Tanzania

Val Curtis

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Department for Disease Control, London School of Hygiene & Tropical Medicine, London, England, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.