[1] Univ La Laguna, Nursing Sch Nuestra Senora de Candelaria, Santa Cruz De Tenerife 38010, Spain
[2] Canary Isl Hlth Serv, Primary Care Management Tenerife, San Cristobal La Laguna 38200, Spain
[3] Univ Huelva, Dept Nursing, Huelva 21007, Spain
[4] Univ Espiritu Santo, Safety & Hlth Posgrade Program, Guayaquil 091650, Ecuador