1. From the Department of Pediatrics (L.J.M.), Center for Epidemiology and Biostatistics and the Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Ohio; Department of Genetics (A.G.C., J.B.), Southwest Foundation for Biomedical Research, San Antonio, Tex; Department of Medicine (G.E.S., J.M., R.J., J.M., A.H.K.), TOPS Center for Obesity and Metabolic Research and the Human and Molecular Genetics Center, Medical College of Wisconsin, Milwaukee.