1. Department of Nursing Science University of Turku Turku Finland
2. Helsinki University Hospital Nursing Administration Helsinki Finland
3. Turku University Hospital Turku Finland
4. Unit of Clinical Neurophysiology Satakunta Hospital District Pori Finland
5. Faculty of Health and Welfare Satakunta University of Applied Sciences Pori Finland
6. Satakunta Hospital District Pori Finland
7. Central Finland Hospital Nova Central Finland Health Care District Jyvaskyla Finland