. 2012 Aug 29;96(4):748–758. doi: 10.3945/ajcn.112.041343
© 2012 American Society for Nutrition
This is a free access article, distributed under terms (http://www.nutrition.org/publications/guidelines-and-policies/license/) which permit unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.