Johnson Cassandra M, Sharkey Joseph R, Dean Wesley R, St John Julie A, Castillo María
Center for Health Promotion and Disease Prevention, The University of North Carolina at Chapel Hill, NC, USA.
J Acad Nutr Diet. 2013 May;113(5):638-42. doi: 10.1016/j.jand.2012.11.014. Epub 2013 Feb 1.