1. Centro Universitario de Enfermería Cruz Roja University of Seville Sevilla Spain
2. Department of Sociology, Social Work and Public Health University of Huelva Huelva Spain
3. Safety and Health Posgrade Program University Espíritu Santo Guayaquil Ecuador
4. Department of Nursing, Facultad de Enfermería University of Huelva Huelva Spain
5. Department of Nursing, Facultad de Ciencias de la Salud, Parque Tecnológico de Ciencias de la Salud University of Granada Granada Spain