Human Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle Upon Tyne, UK. Hugh Sinclair Unit of Human Nutrition and Institute for Cardiovascular and Metabolic Research, University of Reading, Reading, UK. Department of Nutrition, Food Science and Physiology, University of Navarra, CIBER Fisiopatología Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Pamplona, Spain. Department of Human Biology, NUTRIM School for Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands. UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland. Department of Nutrition and Dietetics, Harokopio University of Athens, Athens, Greece. ZIEL Research Center of Nutrition and Food Sciences, Technische Universität München, München, Germany. Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway. National Food and Nutrition Institute (IZZ), Warsaw, Poland. Microbiology and Systems Biology Group, TNO, Zeist, The Netherlands. Eurogenetica Ltd, Burnham-on-Sea, UK.