About the Authors

Gemini Mtei

gmtei@ihi.or.tz

Affiliation Ifakara Health Institute, Dar es Salaam, Tanzania

Suzan Makawia

Affiliation Ifakara Health Institute, Dar es Salaam, Tanzania

Honorati Masanja

Affiliation Ifakara Health Institute, Dar es Salaam, Tanzania

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: GM SM. Wrote the first draft of the manuscript: GM. Contributed to the writing of the manuscript: GM SM HM. ICMJE criteria for authorship read and met: GM SM HM. Agree with manuscript results and conclusions: GM SM HM.