1. 498—Research Team Group, University of Almeria, Carretera del Sacramento s/n, La Cañada de San Urbano, 04120 Almeria, Spain
2. Health Research Centre, Department of Nursing, Physiotherapy and Medicine, University of Almeria, Carretera del Sacramento s/n, La Cañada de San Urbano, 04120 Almeria, Spain
3. Culture and Technology Institute, Madrid University Carlos III, 28903 Madrid, Spain