1. Department of Nursing, Physiotherapy and Medicine University of Almería Almería Spain
2. Faculty of Health Sciences Universidad Autónoma de Chile Santiago Chile
3. Bariatric Surgery Unit Hospital HLA Mediterráneo Almería Spain
4. Bariatric Surgery Unit Hospital Universitario Torrecárdenas Almería Spain
5. Adult, Child and Midwifery Department School of Health and Education Middlesex University London UK
6. General and Digestive Surgery Ward Hospital Torrecárdenas Almería Spain