1. Research Support Unit, Insular Maternal and Child University Hospital Complex, Canary Health Service, 35016 Las Palmas de Gran Canaria, Spain
2. Nursing Department, Faculty of Healthcare Science, Universidad de Las Palmas de Gran Canaria (ULPGC), 35016 Las Palmas de Gran Canaria, Spain
3. El Doctoral Primary Health Care Centre, Canary Health Service, 35110 Las Palmas de Gran Canaria, Spain
4. Primary Care Management of Tenerife, Canary Health Service, 38004 Santa Cruz de Tenerife, Spain
5. Faculty of Healthcare Science, Universidad de La Laguna (ULL), 38200 Santa Cruz de Tenerife, Spain
6. Nuestra Señora de Candelaria School of Nursing, 38010 Santa Cruz de Tenerife, Spain