[1] Univ Skovde, Sch Hlth Sci, Box 408, S-54128 Skovde, Sweden
[2] Jonkoping Univ, Res Sch Hlth & Welf, Jonkoping, Sweden
[3] Karlstad Univ, Fac Hlth Sci & Technol, Dept Hlth Sci, Karlstad, Sweden
[4] Jonkoping Univ, Jonkoping Acad Improvement Hlth & Welf, Sch Hlth & Welf, Dept Nursing, Jonkoping, Sweden
[5] Univ Boras, Fac Caring Sci Work Life & Social Welf, Dept Caring Sci, Boras, Sweden
[6] Univ Gothenburg, Inst Clin Sci, Sahlgrenska Acad, Dept Oncol, Gothenburg, Sweden
[7] Univ West, Dept Hlth Sci, Trollhattan, Sweden