1. Health Sciences Doctorate School, University of Huelva, Huelva, Spain
2. Health Sciences Research Unit: Nursing, University of Coimbra, Coimbra, Portugal
3. Department of Sociology, Social Work and Public Health, Faculty of Labour Sciences, University of Huelva, Huelva, Spain
4. Safety and Health Postgraduate Programme, Universidad Espíritu Santo, Guayaquil, Ecuador
5. Centro Universitario de Enfermería Cruz Roja, University of Seville, Seville, Spain
6. Faculty of Education Science, University of Huelva, Huelva, Spain
7. Emergency Department, Royal Free London NHS Foundation Trust
8. Department of Nursing, University of Seville, Seville, Spain.