作者单位:Norwegian Univ Sci & Technol, Fac Med, Dept Canc Res & Mol Med, European Palliat Care Res Ctr PRC[1]Oslo Univ Hosp, Dept Oncol, Reg Ctr Excellence Palliat Care, Oslo, Norway[2]Cantonal Hosp, Dept Internal Med, Div Oncol, St Gallen, Switzerland[3]