1 Department of Preventive Medicine and Public Health, University of Navarra, 31008 Pamplona, Navarra, Spain; IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Navarra, Spain; CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute of Health, 28029 Madrid, Spain.
2 Department of Preventive Medicine and Public Health, University of Navarra, 31008 Pamplona, Navarra, Spain; IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Navarra, Spain; CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute of Health, 28029 Madrid, Spain; Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA. Electronic address: mamartinez@unav.es.