[1] IDIVAL Oncol Clin Trials Res Grp, Santander, Spain
[2] Univ Cantabria, Fac Nursing, Serv Cantabro Salud, IDIVAL Nursing Res Grp, Santander, Spain
[3] Univ Cantabria, Biosci Lib, Santander, Spain
[4] Serv Cantabro Salud, Santander, Spain
[5] Univ Cantabria, Fac Nursing, IDIVAL Nursing Res Grp, Santander, Spain