1. Thermogenex, Huntsville, Alabama.
2. Department of Genetics, Harvard Medical School, Boston, Massachusetts.
3. Department of Pharmacology, School of Medical Sciences, The University of New South Wales, Sydney, Australia.
4. Division of Diabetes, Endocrinology, and Metabolic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland.