1. Department of Endocrinology, Hypertension and Diabetes; Brigham and Women's Hospital and Harvard Medical School; Boston Massachusetts USA
2. National Heart; Lung and Blood Institute's Framingham Heart Study; Framingham Massachusetts USA
3. National Heart, Lung, and Blood Institute; Bethesda Maryland USA
4. Department of Biostatistics; Boston University School of Public Health; Boston Massachusetts USA
5. Department of Radiology; Massachusetts General Hospital and Harvard Medical School; Boston Massachusetts USA
6. Section on Growth and Obesity; National Institute of Child Health and Human Development; Bethesda Maryland USA