1. ChildObesity180, Friedman School of Nutrition Science and Policy, Tufts University, 150 Harrison Ave, Boston, MA 02111, USA
2. Division of Nutritional Sciences, Cornell University, Reservoir Ave, Ithaca, NY 14850, USA
3. Division of General Internal Medicine, Weill Cornell Medicine, 530 East 70th Street, M-522, New York, NY 10021, USA
4. Department of Medical Ethics & Health Policy, Perelman School of Medicine, University of Pennsylvania, 423 Guardian Drive Blockley Hall, Philadelphia, PA 19104-4884, USA
5. Department of Behavioral and Social Sciences, Center for Health Promotion and Health Equity, Brown School of Public Health, Brown University, Providence, RI 02912, USA
6. Duke Divinity School, Duke University, Durham, NC 27708, USA
7. World Food Policy Center, Sandford School of Public Policy, Duke University, Durham, NC 27708, USA