1 School of Health Sciences, Merrimack College, North Andover, Massachusetts; Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts. Electronic address: cohenj@merrimack.edu.
2 Department of Allied Health Sciences, University of Connecticut, Storrs, Connecticut; Rudd Center for Food Policy and Obesity, University of Connecticut, Hartford, Connecticut.
3 Division of Nutritional Sciences, College of Human Ecology, Cornell University, Ithaca, New York.