About the Authors

Syed Masud Ahmed

ahmed.sm@brac.net

Affiliation Research and Evaluation Division, BRAC, Dhaka, Bangladesh

Abebual Zerihun

Affiliation Evaluation and Research Unit, East Africa Programmes, BRAC, Kampala, Uganda

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMA. Performed the experiments: SMA AZ. Analyzed the data: SMA AZ. Wrote the paper: SMA. Conceptualized the study: SMA. Designed the study: SMA AZ. Prepared tools: SMA. Interpreted data: SMA AZ. Drafted the manuscript: SMA. Revised and prepared the final manuscript for submission: SMA. Helped in sampling and fielding the study: AZ. Managed and analysed data: AZ. Made critical comments on the draft and contributed to finalizing the manuscript: AZ.