1. Research Unit of Nursing Science and Health Management University of Oulu Oulu Finland
2. Oulu University of Applied Science Oulu Finland
3. College of Nursing in Celje Celje Slovenia
4. Faculty of Nursing Lithuanian University of Health Sciences Kaunas Lithuania
5. Nursing Department Faculty of Health Sciences University of Alicante Alacant Spain
6. Department of Biomedical Science and Human Oncology University of Bari "Aldo Moro" Bari Italy
7. Research Unit of Nursing Science and Health Management University of Oulu Oulu University Hospital Oulu Finland