1. Tullo Woreda Health Office, West Hararge, Oromia Region, Bollo, Ethiopia
2. School of Medicine, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
3. Department of Public Health, Rift Valley University, Harar, Ethiopia
4. School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
5. School of Nursing and Midwifery, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
6. Aweday Sub-City Health Office, Oromia Region, Aweday, Ethiopia