1. Department of Social and Cultural Anthropology, National University of Distance Education, Madrid, Spain
2. Department of Social and Cultural Anthropology, University of Sevilla, Sevilla, Spain
3. Department of Bussiness Management and Sociology, University of Extremadura, Cáceres, Spain
4. Department of Philosophy and Anthropology, University of Santiago de Compostela, Santiago de Compostela, Spain
5. Department of Nursing, University of Extremadura, Cáceres, Spain
6. Department of Psychology and Anthropology, University of Extremadura, Spain