[1] Hosp Clin Univ Valladolid, Dept Nursing Care Informat Syst, Valladolid, Spain
[2] Hosp Clin Univ Valladolid, Continual Trainig Dept, Valladolid, Spain
[3] Hosp Medina Campo, Surg Unit, Valladolid, Spain
[4] Univ Valladolid, Nursing Fac, Valladolid, Spain
[5] Hosp Clin Univ Valladolid, Nursing Direct, Valladolid, Spain
[6] Hosp Clin Univ Valladolid, Res Support Unit, Valladolid, Spain