1. Department of Human Development and Family Studies Purdue University West Lafayette Indiana USA
2. Department of Pediatrics, Section of Nutrition University of Colorado Anschutz Medical Campus Aurora Colorado USA
3. Center for Research in Nutrition and Health National Institute of Public Health Cuernavaca Mexico
4. Center for Primary Care and Public Health Unisanté Lausanne Switzerland
5. Department of Nutrition, Institute of Global Nutrition University of California Davis California USA
6. Department of Nutritional Sciences Oklahoma State University Stillwater Oklahoma USA