1. From the New York Obesity Research Center (DG, J-EY, JA, FXP-S, and SH) and the Department of Radiology (LB), St Luke’s–Roosevelt Hospital, New York, NY; the Institute of Human Nutrition and Department of Medicine, College of Physicians and Surgeons, Columbia University; New York, NY (DG and NS); and the Obesity and Nutrition Research Center, University of Pittsburgh, Pittsburgh, PA (DEK).