1. Department of Psychiatry and Human Behavior; Warren Alpert Medical School of Brown University, The Miriam Hospital/Weight Control and Diabetes Research Center; Providence RI USA
2. Department of Nutrition; University of Tennessee; Knoxville TN USA
3. Weight Watchers International, Inc.; New York City NY USA
4. Department of Health Behavior; University of North Carolina at Chapel Hill; Chapel Hill NC USA
5. Center for Weight and Eating Disorders, Perelman School of Medicine; University of Pennsylvania; Philadelphia PA USA