Affiliation: | a D. R. Cox is a graduate student, J. D. Skinner and B. R. Carruth are professors of nutrition, and K. S. Houck is a project coordinator in the Department of Nutrition, University of Tennessee, Knoxville, USA b J. Moran III is a professor of child and family studies and associate dean of the College of Human Ecology at the University of Tennessee, Knoxville, USA |