1. McKusick-Nathans Institute of Genetic Medicine, Departments of Biological Chemistry, Oncology, Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, Department of Physiology and Center for Metabolism and Obesity Research, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, Department of Biomedical Engineering and High Throughput Biology Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, Obesity Research Center, Department of...