1. University of California San Diego–San Diego State University Joint Doctoral Program in Public Health, La Jolla, California
2. Division of Child Development and Community Health, Department of Pediatrics, University of California, San Diego, California
3. University of Chile Doctoral Program in Public Health, Santiago, Chile
4. Public Health Nutrition Unit, Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile
5. Center for Human Growth and Development, University of Michigan, Ann Arbor, Michigan
6. Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, Michigan