1. Department of Pediatric and Child Health Nursing, School of Nursing, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
2. Queen’s University School of Rehabilitation Therapy, Kingston, Canada
3. Department of Public Health Sciences, Queen’s University, Kingston, Canada
4. Department of Epidemiology and Biostatistics, Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia