[1] Marie Cederschiold Univ, Palliat Res Ctr, Dept Hlth Care Sci, Box 11189, S-10061 Stockholm, Sweden
[2] Dalen Hosp, Capio Palliat Care, S-12187 Stockholm, Sweden
[3] Sophiahemmet Univ, Dept Nursing Sci, Stockholm, Sweden
[4] Linnaeus Univ, Fac Hlth & Life Sci, Kalmar, Sweden
[5] Dept Res, Kalmar, Reg Kalmar Cty, Sweden
[6] Univ Manchester, Fac Biol Med & Hlth, Div Nursing Midwifery & Social Work, Manchester, Lancs, England
[7] Univ Cambridge, Ctr Family Res, Cambridge, England
[8] Stockholms Sjukhem, Dept Res & Dev Palliat Care, Stockholm, Sweden
[9] Marie Cederschiold Univ, Palliat Res Ctr, Box 11189, S-10061 Stockholm, Sweden