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. Clinical Analysis Department, Hospital Universitario de Navarra, Pamplona, Spain.
4. Cardiovascular Translational Research, NavarraBiomed (Miguel Servet Foundation), Hospital Universitario de Navarra), Universidad Pública de Navarra (UPNA), IdiSNA, Pamplona, Spain.
5. Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.
6. CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Health Institute Carlos III, Madrid, Spain.