[1] Univ Autonoma Barcelona, Escola Infermeria Gimbernat, Sant Cugat Del Valles, Spain
[2] Inst Catala Oncol, Palliat Care Unit, Lhospitalet De Llobregat, Spain
[3] Univ Int Catalunya, Sch Med & Hlth Sci, Barcelona 08195, Spain
[4] Univ Int Catalunya, Sch Med & Hlth Sci, Dept Nursing, Barcelona 08195, Spain
[5] Univ Munich, Dept Palliat Med, Munich, Germany