Funding for this research was provided by:
US Dairy Export Council and Ministry of Foreign Affairs of Denmark (No)
Received: 27 November 2019
Accepted: 28 July 2020
First Online: 6 August 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all participants. Ethical permission was obtained from the Ethiopian National Health Research Ethical Review Committee and Jimma University Ethical Review committee. A consultative approval was obtained from the Danish National Committee on Biomedical Research Ethics.
: Not applicable.
: The authors declare no conflict of interest.