1 Pediatric Surgery Department, Complejo Hospitalario de Navarra, Pamplona, Spain.
2 Pathology Department, Complejo Hospitalario de Navarra, Pamplona, Spain.
3 Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Complejo Hospitalario de Navarra (CHN), Universidad Pública de Navarra (UPNA), IdiSNA, Pamplona, Navarra, Spain.
4 Department of Preventive Medicine and Public Health, University of Navarra Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Navarra, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Health Institute Carlos III, Madrid, Spain.