1. Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy; Tufts University, 75 Kneeland Street, 8th Floor; Boston MA 02111
2. Cutler Institute for Health and Social Policy; University of Southern Maine, 96 Falmouth Street; Portland ME 04103
3. Department of Public Health and Community Medicine; Tufts University School of Medicine, 136 Harrison Avenue; Boston MA 02111