[1] Univ Huelva, Fac Nursing, Nursing Dept, Huelva 21007, Spain
[2] Univ Algarve, Hlth Sch, Nursing Dept, P-8000 Faro, Portugal
[3] Nursing Sch Coimbra, Hlth Sci Res Unit, P-3000 Coimbra, Portugal
[4] Residencia Mayores Jesus Nazaret, Gibraleon 21500, Spain
[5] Complejo Asistencial Avila, Valladolid 47007, Spain
[6] Hosp Univ Miguel Servet, Zaragoza 50004, Spain
[7] Hosp Juan Ramon Jimenez, Ctr Invest FABIS, Huelva 21007, Spain
[8] Univ Huelva, Ctr Res Contemporary Thought & Innovat Social Dev, Huelva 21007, Spain