About the Authors
Jhpiego, Baltimore, Maryland, United States of America
International Health Department, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
United States Agency for International Development, Washington, District of Columbia, United States of America
World Health Organization, Geneva, Switzerland
National AIDS and STI Control Programme, Ministry of Health, Nairobi, Kenya
Jhpiego/Tanzania, Dar es Salaam, Tanzania
Ministry of Health, Dar es Salaam, Tanzania
Ministry of Health, Mbabane, Swaziland
Jhpiego/Swaziland, Mbabane, Swaziland
Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KC EN. Analyzed the data: KC EN AM. Wrote the first draft of the manuscript: KC EN HM TA. Contributed to the writing of the manuscript: KC EN AM KD TA PC HM BF TKM JA LF NB JR DC DS. ICMJE criteria for authorship read and met: KC EN AM KD TA PC HM BF TKM JA LF NB JR DC DS. Agree with manuscript results and conclusions: KC EN AM KD TA PC HM BF TKM JA LF NB JR DC DS.