About the Authors

Peter Cherutich

Affiliation National AIDS/STI Control Programme (NASCOP), Nairobi, Kenya

Reinhard Kaiser

r_kaiser@gmx.de

Affiliation Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya

Jennifer Galbraith

Affiliation Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya

John Williamson

Affiliation Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya

Ray W. Shiraishi

Affiliation Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Carol Ngare

Affiliation National AIDS/STI Control Programme (NASCOP), Nairobi, Kenya

Jonathan Mermin

Affiliations Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya, Division of HIV/AIDS Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Elizabeth Marum

Affiliation Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Lusaka, Zambia

Rebecca Bunnell

Affiliations Division of Global HIV/AIDS, Center for Global Health, Centers for Disease Control and Prevention, Nairobi, Kenya, Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

for the KAIS Study Group

Membership of the KAIS Study Group is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC RK CN JM EM RB. Performed the experiments: RK CN JM RB. Analyzed the data: JW RWS. Contributed reagents/materials/analysis tools: RK JG CN JM RB. Wrote the paper: PC RK JG. Reviewed and approved the manuscript: PC RK JG JW RWS CN JM EM RB.