1. Department of Emergency, Hospital Virgen de la Luz, Cuenca, Spain
2. Social and Health Care Research Center, Universidad de Castilla-La Mancha, Cuenca, Spain
3. School of Education, Universidad de Castilla-La Mancha, Ciudad Real, Spain
4. Primary Care Research Unit, La Alamedilla Health Center, Salamanca, Spain
5. Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca, Chile