[1] Inst Catala Oncol, Serv Cuidados Paliat, Barcelona, Spain
[2] Univ Bosque, Fac Enfermeria, Bogota, Colombia
[3] Hosp Badalona Germans Trias & Pujol, Serv Nefrol, Badalona, Barcelona, Spain
[4] Inst Invest Germans Trias & Pujol, Grp REMAR IGTP, Campus Can Ruti, Badalona, Barcelona, Spain
[5] Clin Univ Navarra, Dept Nefrol, Pamplona, Spain
[6] Inst Invest Sanitaria Navarra, IdiSNA, Pamplona, Spain
[7] Int Renal Res Inst Vicenza, Vicenza, Italy
[8] Univ Cent Catalunya, Univ Vic, Fac Med, Catedra Cuidados Paliat, Vic, Barcelona, Spain
[9] Hosp Badalona Germans Trias & Pujol, Serv Geriatria, Badalona, Barcelona, Spain
[10] Hosp Manacor, Equipo Soporte Hosp Atenc Paliat, Manacor, Illes Balears, Spain
[11] Hosp Univ La Paz, Serv Madrileno Salud, Unidad Cuidados Paliat, Madrid, Spain
[12] UIC, Univ Int Catalunya, Fac Ciencias Salud, Barcelona, Spain