Affiliations: Department of Nutrition, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
Note: [] Address for correspondence: Myles S. Faith, Department of Nutrition, Gillings School of Global Public Health, University of North Carolina – Chapel Hill. 2204 McGavran Greenberg Hall, CB 7461, Chapel Hill, NC 27599-7461, USA. Tel.: +1 919 966 7230; Fax: +1 919 966 7216; E-mail: mfaith@unc.edu.