1. Department of Public Health, Kuyu General Hospital, Oromia Regional Health Bureau, Gerba Guracha, Ethiopia.
2. Department of Public Health, College of Health Science, Salale University, Fitche, Ethiopia.
3. Department of Midwifery, College of Health Science, Salale University, Fitche, Ethiopia.
4. Department of Nursing, Adola Wayu General Hospital, Oromia Regional Health Bureau, Adola Wayu, Ethiopia
5. Adola Wayu General Hospital, Oromia Regional Health Bureau
6. Kuyu General Hospital, Oromia Regional Health Bureau
7. Mojo Primary Hospital, Oromia Regional Health Bureau
8. Department of Public Health, Ginnir district health office, Oromia Regional Health Bureau, Ginnir, Ethiopia.