Margriet Westerterp-Plantenga, PhD, is a professor of food intake regulation in humans at Maastricht University, Maastricht, the Netherlands.

Pilou L. H. R. Janssens, MSc, is a PhD student in metabolism and nutrition at the Nutrition and Toxicology Research Institute, Maastricht University, the Netherlands.

Funding for this study was provided by Nutrim, Maastricht University.

Dr Westerterp-Plantenga is amember of the McCormick Science Institute’s Scientific Advisory Council. Ms Janssens has no conflicts of interest to disclose.

Margriet Westerterp-Plantenga, PhD, is a professor of food intake regulation in humans at Maastricht University, Maastricht, the Netherlands. Pilou L. H. R. Janssens, MSc, is a PhD student in metabolism and nutrition at the Nutrition and Toxicology Research Institute, Maastricht University, the Netherlands.

Correspondence: Correspondence: Margriet Westerterp-Plantenga, PhD, Department of Human Biology,Maastricht University, PO Box 616, 6200MD, Maastricht, the Netherlands([email protected]).