[1] Linnaeus Univ, Dept Hlth & Caring Sci, Vaxjo, Sweden
[2] Linnaeus Univ, Ctr Collaborat Palliat Care, Dept Hlth & Caring Sci, Vaxjo, Sweden
[3] Sophiahemmet Univ, Dept Nursing Sci, Stockholm, Sweden
[4] Univ Gavle, Dept Caring Sci, Stockholm, Sweden
[5] Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden