1. Department of Pediatrics, USDA/ARS Children's Nutrition Research Center at Baylor College of Medicine, Houston, TX, USA.
2. Department of Human Development, Washington State University, Pullman, WA, USA.
3. Department of Food Science and Human Nutrition, Colorado State University, Ft. Collins, CO, USA.
4. Washington State University Extension, Tacoma, WA, USA.
5. Department of Human Development, Washington State University, Vancouver, WA, USA.
6. Department of Human Development, Washington State University Extension, Seattle, WA, USA.
7. Department of Health and Human Performance, University of Houston, Houston, TX, USA.