1. Department of Clinical Pharmacy School of Pharmacy Institute of Health Jimma University Jimma Ethiopia
2. Department of Nursing Science Institute of Health and Society Faculty of Medicine University of Oslo Oslo Norway
3. Department of Interdisciplinary Health Sciences Faculty of Medicine Institute of Health and Society University of Oslo Oslo Norway
4. Department of Research and Administration Lovisenberg Diaconal Hospital Oslo Norway
5. Faculty of Health Science Oslo Metropolitan University Oslo Norway
6. Department of Family Health Care Nursing University of California San Francisco California USA
7. Department of Orthopaedic Surgery Lovisenberg Diaconal Hospital Oslo Norway
8. Department of Anesthesiology Faculty of Medicine Institute of Health Jimma University Jimma Ethiopia