About the Authors

Kathryn Whetten

k.whetten@duke.edu

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Kristen Shirey

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina, United States of America

Brian Wells Pence

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Department of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Jia Yao

Affiliation Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Nathan Thielman

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Department of Medicine, Division of Infectious Diseases and International Health, Duke University, Durham, North Carolina, United States of America

Rachel Whetten

Affiliation Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Julie Adams

Affiliation Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina, United States of America

Bernard Agala

Affiliation Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Jan Ostermann

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Karen O'Donnell

Affiliations Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America, Center for Child & Family Health, Duke University, Durham, North Carolina, United States of America

Amy Hobbie

Affiliation Center for Health Policy, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Venance Maro

Affiliation Kilimanjaro Christian Medical Centre, Moshi, Tanzania

Dafrosa Itemba

Affiliation Tanzania Women's Research Foundation, Moshi, Tanzania

Elizabeth Reddy

Affiliations Department of Medicine, Division of Infectious Diseases and International Health, Duke University, Durham, North Carolina, United States of America, Kilimanjaro Christian Medical Centre, Moshi, Tanzania

for the CHAT Research Team

Membership of the CHAT Research Team is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KW JO NT RW BWP. Performed the experiments: CBA ER DI VM AH. Analyzed the data: JY JO KW KS BWP NT RW JA BA KO.