1. Pediatric Surgery Department, Hospital Universitario de Navarra, Pamplona, Spain.
2. Department of Preventive Medicine and Public Health, School of Medicine, University of Navarra, Pamplona, Spain.
3. Pathology Department, Hospital Universitario de Araba, Vitoria, Spain.
4. Cardiovascular Translational Research, NavarraBiomed (Miguel Servet Foundation), Universidad Pública de Navarra (UPNA), IdiSNA, Pamploma, Spain.
5. IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.
6. CIBER de Fisiopatología de la Obesidad y la Nutrición, Instituto de Salud Carlos III, Madrid, Spain.