1. Department of Nursing, Physiotherapy and Medicine University of Almeria Almeria Spain
2. Faculty of Health Sciences Universidad Autónoma de Chile Temuco Chile
3. Bariatric Surgery Unit Hospital 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. Department of Nursing University of Jaén Jaen Spain