1. School of Nursing and Midwifery, College of Health and Medical Sciences, Haramaya University, Ethiopia
2. School of Public Health College of Health and Medical Sciences, Haramaya University, Ethiopia
3. Department of Preventive Medicine, School of Public Health College of Health Sciences, Addis Ababa University, Ethiopia
4. Department of Nursing, College of Health Sciences, Shashamene Compass, Madda Walabu University, Ethiopia