1. Unit on Metabolism and Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
2. Section on Growth and Obesity, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
3. Departments of Pediatrics and Physiology, University of Tennessee Health Science Center and Le Bonheur Children’s Foundation Research Institute, Memphis, Tennessee
4. Radiology and Imaging Sciences, National Institutes of Health Clinical Research Center, Bethesda, Maryland
5. Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
6. Human Biochemical Genetics Section, Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland
7. The Jackson Laboratory, Bar Harbor, Maine
8. The McKusick-Nathans Institute of Genetic Medicine, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Maryland