[1] Marie Cederschiold Univ, Palliat Res Ctr, Dept Hlth Care Sci, Stockholm, Sweden
[2] Karolinska Univ Hosp, Theme Canc, BES Breast Endocrine Tumours & Sarcoma, Stockholm, Sweden
[3] Stockholms Sjukhem Fdn, Res & Dev Unit Palliat Care, Stockholms Sjukhem, Stockholm, Sweden
[4] Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden
[5] Karolinska Inst, Dept Clin Canc Epidemiol, Stockholm, Sweden
[6] Sahlgrens Univ Hosp, Div Clin Canc Epidemiol, Gothenburg, Sweden
[7] Sophiahemmet Univ, Dept Nursing Sci, Stockholm, Sweden
[8] Marie Cederschiold Univ, Stigbergsgatan 30, S-10061 Stockholm, Sweden