[1] Insular Maternal & Child Univ Hosp Complex, Canary Hlth Serv, Res Support Unit, Las Palmas Gran Canaria 35016, Spain
[2] Univ Las Palmas De Gran Canaria ULPGC, Fac Healthcare Sci, Nursing Dept, Las Palmas Gran Canaria 35016, Spain
[3] Las Remudas Primary Hlth Care Ctr, Canary Hlth Serv, Las Palmas Gran Canaria 35213, Spain
[4] Insular Maternal & Child Univ Hosp Complex, Dept Obstet & Gynaecol, Canary Hlth Serv, Las Palmas Gran Canaria 35016, Spain
[5] Univ Huelva, Dept Nursing, Huelva 21007, Spain
[6] Univ Alicante UA, Fac Hlth Sci, Dept Community Nursing Prevent Med Publ Hlth & His, Alicante 03690, Spain