1. Arkansas Children's Nutrition Research Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR
2. Department of Pediatrics, Section of Nutrition, University of Colorado, Anschutz Medical Campus, Aurora, CO
3. Netherlands Organization of Applied Scientifc Research (TNO), Zeist, Netherlands
4. National Dairy Council, Rosemont, IL
5. Department of Human Nutrition, Ohio State University, Columbus, OH