1. Department of Surgery, Universidad Autónoma de Madrid, Qualitative Health Research Group (GIQS-UAM), Spain
2. Department of Sociology, Universidad Autónoma de Madrid, Qualitative Health Research Group (GIQS-UAM), Spain
3. Department of Health Promotion, Regional Health Service of Madrid, Qualitative Health Research Group (GIQS-UAM), Spain
4. Department of Surgery, Universidad Autónoma de Madrid, Spain
5. Faculty of Nursing, University of Castilla-La Mancha, Talavera de la Reina, Spain