1. Department of Nursing, College of Health Science, Debre Markos University, Debre Markos, Ethiopia
2. Department of Medicine, School of Medicine, Debre Markos University, Debre Markos, Ethiopia
3. Department of Public Health, College of Health Science, Debre Markos University, Debre Markos, Ethiopia
4. The Australian Centre for Public and Population Health Research (ACPPHR), Faculty of Health, University of Technology Sydney, Ultimo, NSW, Australia