1. UGC La Sierra, Servicio Andaluz de Salud, Córdoba, Spain
2. Department of Nursing, University of Cordoba, Córdoba, Spain
3. Department of Occupational Safety and Health, City Hall of Cordoba, Córdoba, Spain
4. UGC Lucano, Servicio Andaluz de Salud, Córdoba, Spain
5. UGC Santa Rosa, Servicio Andaluz de Salud, Córdoba, Spain