Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain. IdiSNA, Navarra Institute for Health Research, Pamplona, Spain. Epigenetics and Diabetes Unit, Lund University Diabetes Centre, Malmö, Sweden. Department of Clinical Sciences, CRC, Scania University Hospital, Malmö, Sweden. Youth/Child and cAdiovascular Risk and Environmental (YCARE) Research Group, School of Medicine, University of São Paulo, São Paulo, Brazil. Department of Preventive Medicine and Public Health, School of Medicine, University of Navarra, Pamplona, Spain. Paediatric Endocrinology Unit, Complejo Hospitalario de Navarra, Pamplona, Spain. Center of Biomedical Research in Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain. Paediatric Endocrinology Unit, Department of Paediatrics, Clínica Universidad de Navarra, Pamplona, Spain.