1. Pediatric Oncology Unit, Jimma University Medical Center, Jimma, Ethiopia
2. Department of Health Service Management, Jimma University, Jimma, Ethiopia
3. School of Nursing, University of California, San Francisco, California, USA
4. School of Nursing and Midwifery, Addis Ababa University College of Health Science, Addis Ababa, Addis Ababa, Ethiopia
5. School of Human and Community Development, University of the Witwatersrand, Johannesburg, Gauteng, South Africa