1. Department of Nursing Science University of Turku Turku Finland
2. Turku University Hospital Turku Finland
3. HUSLAB Helsinki University Hospital Helsinki Finland
4. School of Nursing and Midwifery La Trobe University Australia
5. Department of Nursing Umeå University Umeå Sweden
6. Department of Mathematics and Statistics University of Turku Turku Finland
7. Welfare Division City of Turku Turku Finland