[1] Ersta Skondal Univ Coll, Palliat Res Ctr, Stockholm, Sweden
[2] Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden
[3] Stord Haugesund Univ Coll, Dept Nursing Sci, Haugesund, Norway
[4] Karolinska Inst, Dept Neurobiol Care Sci & Soc, Stockholm, Sweden
[5] Sophiahemmet Univ Coll, Dept Nursing Sci, Stockholm, Sweden
[6] Stockholm Cty Council, Res & Dev FOUnu, Stockholm, Sweden
[7] Umea Univ, Dept Nursing, Umea, Sweden