About the Authors

Nancy L. Czaicki

† Deceased.

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Division of Epidemiology, School of Public Health, University of California Berkeley, Berkeley, CA, United States of America

William H. Dow

Roles Methodology, Writing – review & editing

Affiliation Health Services and Policy Analysis Graduate Group, School of Public Health, University of California Berkeley, Berkeley, CA, United States of America

Prosper F. Njau

Roles Investigation, Methodology, Supervision, Writing – review & editing

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

Sandra I. McCoy

Roles Conceptualization, Formal analysis, Methodology, Project administration, Writing – review & editing

smccoy@berkeley.edu

Affiliation Division of Epidemiology, School of Public Health, University of California Berkeley, Berkeley, CA, United States of America

Competing Interests

The authors have declared that no competing interests exist.