Acknowledgements
We thank Jimma University, Institute of Health, for the ethical approval and financial support. Second, we thank the staff of the Hadiya Zone Health Department and all the study participants for their cooperation. Third, we thank Mizan Tepi University Teaching Hospital for giving us a vehicle (Land Cruiser Pickup) for this study, without which data collection could have been difficult. Finally, we thank our driver, Mintesinot Shimelis Mekuria, for his great commitment and best driving skills throughout the rural areas, which was adventurous.