1 Childhood Nutrition Research Centre, University College London Great Ormond Street Institute of Child Health, London WC1N 1EH, UK. Electronic address: [email protected].
2 Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark; Clinical Epidemiology, Steno Diabetes Center Copenhagen, Gentofte, Denmark.
3 Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark.